update

.env.example

@@ -5,3 +5,9 @@ CLAUDE_CODE_OAUTH_TOKEN=
 
 # MiniMax-Provider: API-Key aus der MiniMax-Console (Coding-Plan).
 MINIMAX_API_KEY=
+
+# Agent-Parallelität (optional). Zwei verschachtelte Limits, Default je 10 = bisheriges Verhalten.
+# Global gilt über ALLE Themen, der Thema-Wert je Thema. Lokal das globale Limit hochsetzen,
+# um mehrere Themen parallel mit je 10 Agenten zu fahren (z.B. global 50, Thema 10).
+# MAX_CONCURRENT_AGENTS=10
+# MAX_CONCURRENT_AGENTS_PER_TOPIC=10

backend/agents.py

@@ -5,6 +5,7 @@ respective provider fails — the other keeps running unchanged.
 """
 
 import asyncio
+import heapq
 import logging
 import os
 import re
@@ -13,13 +14,26 @@ import signal
 import tempfile
 import time
 import urllib.request
+from contextlib import asynccontextmanager
 from pathlib import Path
 
-from config import PROVIDERS, DEFAULT_PROVIDER, MAX_CONCURRENT_AGENTS, MAX_CONCURRENT_INTERACTIVE
+from config import (PROVIDERS, DEFAULT_PROVIDER, MAX_CONCURRENT_AGENTS,
+                    MAX_CONCURRENT_AGENTS_PER_TOPIC, MAX_CONCURRENT_INTERACTIVE)
 
 log = logging.getLogger("creator.agents")
 
 _active_processes: dict[str, asyncio.subprocess.Process] = {}
+_active_started: dict[str, float] = {}   # agent_key → wall-clock start (for the live runtime display)
+
+
+def active_agents(scope_prefix: str | None = None) -> list[dict]:
+    """Currently running agents and how long they've been running. Filter by key prefix
+    (e.g. f"blocks-{topic}-") for one topic. → [{key, runtime}] sorted longest-first."""
+    now = time.time()
+    out = [{"key": k, "runtime": round(now - t, 1)}
+           for k, t in list(_active_started.items())
+           if k in _active_processes and (not scope_prefix or k.startswith(scope_prefix))]
+    return sorted(out, key=lambda a: -a["runtime"])
 
 # Cancelled scopes (key prefixes, symmetric to kill_process). An agent whose
 # key starts with one of these prefixes aborts BEFORE the spawn — so agents WAITING
@@ -41,8 +55,71 @@ def _scope_cancelled(agent_key: str) -> bool:
 # Caps the real CLI processes — independent of the pipeline semaphore in
 # generator.py. The acquire happens BEFORE the spawn so that queue wait time
 # does not count against the agent timeout.
-_batch_sem = asyncio.Semaphore(MAX_CONCURRENT_AGENTS)
+class _PrioritySemaphore:
+    """asyncio.Semaphore variant: when slots are scarce, the LOWEST priority number is served first
+    (FIFO within the same priority). Lets earlier pipeline columns grab agents before later ones."""
+    def __init__(self, value: int):
+        self._value = value
+        self._waiters: list = []  # heap of [priority, seq, future]
+        self._seq = 0
+
+    async def acquire(self, priority: int = 100):
+        if self._value > 0:
+            self._value -= 1
+            return
+        fut = asyncio.get_event_loop().create_future()
+        entry = [priority, self._seq, fut]
+        self._seq += 1
+        heapq.heappush(self._waiters, entry)
+        try:
+            await fut  # release() hands us the slot directly (no value change)
+        except BaseException:
+            entry[2] = None  # tombstone so release() skips this dead waiter
+            if fut.done() and not fut.cancelled():
+                self.release()  # granted just before we were cancelled → pass it on
+            raise
+
+    def release(self):
+        while self._waiters:
+            entry = heapq.heappop(self._waiters)
+            if entry[2] is not None and not entry[2].done():
+                entry[2].set_result(None)  # hand the slot straight to the highest-priority waiter
+                return
+        self._value += 1
+
+
+_batch_sem = _PrioritySemaphore(MAX_CONCURRENT_AGENTS)
 _interactive_sem = asyncio.Semaphore(MAX_CONCURRENT_INTERACTIVE)
+# Per-topic caps (lazily created): each topic gets its own priority semaphore of size
+# MAX_CONCURRENT_AGENTS_PER_TOPIC, nested INSIDE the global _batch_sem. Priority-based too, so the
+# per-topic queue can't undo the global priority when one topic is the only load.
+_topic_sems: dict[str, _PrioritySemaphore] = {}
+
+# Earlier kanban columns get the scarce global slot first (smaller = higher priority).
+_STAGE_PRIORITY = ("research", "verify", "naming", "small", "dep")
+
+
+def _agent_priority(key: str) -> int:
+    for i, tag in enumerate(_STAGE_PRIORITY):
+        if f"-{tag}-" in key or key.endswith(f"-{tag}"):
+            return i
+    return len(_STAGE_PRIORITY)  # downstream agents (subblocks/facts/…) after the inventory columns
+
+
+@asynccontextmanager
+async def _batch_gate(scope: str | None, priority: int):
+    """Per-topic slot FIRST (fair), then the GLOBAL slot by priority (earlier columns win when
+    agents are scarce). Order matters — a waiter holds only its per-topic slot while queueing globally."""
+    topic_sem = _topic_sems.setdefault(scope, _PrioritySemaphore(MAX_CONCURRENT_AGENTS_PER_TOPIC)) if scope else None
+    if topic_sem is not None:
+        await topic_sem.acquire(priority)
+    await _batch_sem.acquire(priority)
+    try:
+        yield
+    finally:
+        _batch_sem.release()
+        if topic_sem is not None:
+            topic_sem.release()
 
 # Serialize OpenCode starts: processes starting simultaneously collide on the
 # internal session DB ("database is locked", exit after <1s). The short
@@ -102,6 +179,7 @@ def kill_process(agent_key_prefix: str) -> None:
     for key, process in list(_active_processes.items()):
         if process.returncode is not None:  # clean up dead entries while iterating
             _active_processes.pop(key, None)
+            _active_started.pop(key, None)
             continue
         if key.startswith(agent_key_prefix):
             log.debug("kill agent %s", key)
@@ -116,6 +194,8 @@ async def run_agent(
     role: str = "fast",
     capabilities: str = "none",
     lane: str = "batch",
+    scope: str | None = None,
+    on_line=None,
 ) -> tuple[int, str, str]:
     if _scope_cancelled(agent_key):  # before queueing: don't even enter the queue
         return 1, "", "cancelled"
@@ -123,16 +203,16 @@ async def run_agent(
         return 1, "", f"Unknown provider: {provider}"
     if shutil.which(PROVIDERS[provider]["cli"]) is None:
         return 1, "", f"CLI '{PROVIDERS[provider]['cli']}' not installed (provider: {provider})"
-    sem = _interactive_sem if lane == "interactive" else _batch_sem
-    async with sem:
+    gate = _interactive_sem if lane == "interactive" else _batch_gate(scope, _agent_priority(agent_key))
+    async with gate:
         if _scope_cancelled(agent_key):  # after the acquire: cancelled in the queue → no spawn
             return 1, "", "cancelled"
         if PROVIDERS[provider]["cli"] == "opencode":
-            return await _run_opencode(agent_key, prompt, timeout, provider, role, capabilities)
+            return await _run_opencode(agent_key, prompt, timeout, provider, role, capabilities, on_line=on_line)
         return await _run_claude_cli(agent_key, prompt, timeout, role, capabilities)
 
 
-async def _communicate(agent_key: str, cmd: list[str], stdin_data: bytes | None, timeout: int, stagger: bool = False) -> tuple[int, str, str]:
+async def _communicate(agent_key: str, cmd: list[str], stdin_data: bytes | None, timeout: int, stagger: bool = False, on_line=None) -> tuple[int, str, str]:
     start = time.monotonic()
 
     async def spawn():
@@ -151,8 +231,25 @@ async def _communicate(agent_key: str, cmd: list[str], stdin_data: bytes | None,
     else:
         process = await spawn()
     _active_processes[agent_key] = process
+    _active_started[agent_key] = time.time()
     try:
         try:
+            if on_line is not None:
+                # Streaming path: read stdout line by line, hand each raw line to on_line LIVE.
+                out_chunks: list[str] = []
+                async def _pump():
+                    async for raw in process.stdout:
+                        s = raw.decode("utf-8", errors="replace")
+                        out_chunks.append(s)
+                        try:
+                            on_line(s)
+                        except Exception:
+                            log.debug("on_line callback failed", exc_info=True)
+                await asyncio.wait_for(_pump(), timeout=timeout)
+                await process.wait()
+                stderr_b = await process.stderr.read()
+                stdout, stderr = "".join(out_chunks).encode("utf-8"), stderr_b
+            else:
                 stdout, stderr = await asyncio.wait_for(
                     process.communicate(input=stdin_data),
                     timeout=timeout,
@@ -175,6 +272,7 @@ async def _communicate(agent_key: str, cmd: list[str], stdin_data: bytes | None,
         # the NEW process from tracking.
         if _active_processes.get(agent_key) is process:
             del _active_processes[agent_key]
+            _active_started.pop(agent_key, None)
 
 
 async def _run_claude_cli(agent_key: str, prompt: str, timeout: int, role: str, capabilities: str) -> tuple[int, str, str]:
@@ -187,7 +285,7 @@ async def _run_claude_cli(agent_key: str, prompt: str, timeout: int, role: str,
     return await _communicate(agent_key, cmd, prompt.encode("utf-8"), timeout)
 
 
-async def _run_opencode(agent_key: str, prompt: str, timeout: int, provider: str, role: str, capabilities: str) -> tuple[int, str, str]:
+async def _run_opencode(agent_key: str, prompt: str, timeout: int, provider: str, role: str, capabilities: str, on_line=None) -> tuple[int, str, str]:
     cfg = PROVIDERS[provider]
     # Prompt via temp file instead of argv (ARG_MAX protection for large project prompts)
     with tempfile.NamedTemporaryFile("w", suffix=".md", delete=False, encoding="utf-8", dir=tempfile.gettempdir()) as f:
@@ -203,9 +301,11 @@ async def _run_opencode(agent_key: str, prompt: str, timeout: int, provider: str
         "--dangerously-skip-permissions",
         "-f", str(prompt_path),
     ]
+    if on_line is not None:
+        cmd += ["--format", "json"]  # raw JSON events → parsed live by on_line
     try:
-        rc, stdout, stderr = await _communicate(agent_key, cmd, None, timeout, stagger=True)
-        return rc, _clean_opencode_output(stdout), stderr
+        rc, stdout, stderr = await _communicate(agent_key, cmd, None, timeout, stagger=True, on_line=on_line)
+        return rc, (stdout if on_line is not None else _clean_opencode_output(stdout)), stderr
     finally:
         prompt_path.unlink(missing_ok=True)
 

backend/config.py

@@ -1,3 +1,4 @@
+import os
 from pathlib import Path
 
 PROJECT_ROOT = Path(__file__).resolve().parent.parent
@@ -41,13 +42,22 @@ EMBEDDING_BLOCK_CAP = 25      # max. titles per block (keep the LLM list short/s
 # block context — from this cosine on two are the same statement (checked on aak: ≥0.88 are
 # without exception true duplicates). Conservative 0.90 so different aspects (∈NP ≠ NP-hard) stay separate.
 EMBEDDING_SUB_DUP = 0.90
+# Cosine: two judge-subblocks state the SAME point → one cluster in the clarify majority vote.
+# Lower than _DUP because it must merge paraphrases (not just typo-variants). Empirically 0.80 keeps
+# distinct aspects (∈NP vs NP-hard) apart while clustering re-wordings of the same fact.
+EMBEDDING_SUB_SAME = 0.80
 
-# Cap for concurrent CLI agent processes (across all generations).
-# Own lane for interactive calls (chat, elements) so they don't hang behind
-# running writers in the queue.
-MAX_CONCURRENT_AGENTS = 10
+# Caps for concurrent CLI agent processes (env-overridable). Two nested limits, both always active:
+# a per-topic cap and a global cap across all topics. Defaults 10/10 = previous behavior (global
+# dominates). Locally raise the global cap to actually parallelize across topics (per-topic stays 10).
+# Own lane for interactive calls (chat, elements) so they don't hang behind running writers.
+MAX_CONCURRENT_AGENTS = int(os.getenv("MAX_CONCURRENT_AGENTS", "10"))                      # global, all topics
+MAX_CONCURRENT_AGENTS_PER_TOPIC = int(os.getenv("MAX_CONCURRENT_AGENTS_PER_TOPIC", "10"))  # per topic
 MAX_CONCURRENT_INTERACTIVE = 8
 
+# Inventory engine: streaming kanban dataflow (kanban.py) is the default; set "0" for the legacy ER pipeline.
+KANBAN_INVENTORY = os.getenv("KANBAN_INVENTORY", "1") != "0"
+
 # Grace window of the consensus races (blocks, guide, OnePager): after the first
 # valid result the remaining agents may still become done for this many seconds
 # (kill only once the minimum is already in).

backend/database.py

@@ -199,6 +199,59 @@ CREATE TABLE IF NOT EXISTS sub_artefakte (
 )
 """
 
+# Kanban streaming dataflow for the inventory phase. Cards (titles → chains → blocks) flow through
+# columns; `stage` is the current/next column (the queue of a worker = WHERE stage = <predecessor>).
+# `stage` is used instead of the reserved word `column`. chain_id/block_id are stable → upsert, not dup.
+CREATE_KANBAN_TITLES = """
+CREATE TABLE IF NOT EXISTS kanban_titles (
+    topic TEXT NOT NULL,
+    title_norm TEXT NOT NULL,
+    title TEXT NOT NULL,
+    source TEXT NOT NULL DEFAULT '',
+    content TEXT NOT NULL DEFAULT '',
+    stage TEXT NOT NULL DEFAULT 'merge',
+    updated_at TEXT NOT NULL,
+    PRIMARY KEY (topic, title_norm)
+)
+"""
+
+CREATE_KANBAN_CHAINS = """
+CREATE TABLE IF NOT EXISTS kanban_chains (
+    topic TEXT NOT NULL,
+    chain_id TEXT NOT NULL,
+    stage TEXT NOT NULL DEFAULT 'chain_verify',
+    main_title_norm TEXT,
+    dirty INTEGER NOT NULL DEFAULT 0,
+    updated_at TEXT NOT NULL,
+    PRIMARY KEY (topic, chain_id)
+)
+"""
+
+CREATE_KANBAN_CHAIN_MEMBERS = """
+CREATE TABLE IF NOT EXISTS kanban_chain_members (
+    topic TEXT NOT NULL,
+    chain_id TEXT NOT NULL,
+    title_norm TEXT NOT NULL,
+    PRIMARY KEY (topic, title_norm)
+)
+"""
+
+CREATE_KANBAN_BLOCKS = """
+CREATE TABLE IF NOT EXISTS kanban_blocks (
+    topic TEXT NOT NULL,
+    block_id TEXT NOT NULL,
+    chain_id TEXT,
+    title TEXT NOT NULL,
+    source TEXT NOT NULL DEFAULT '',
+    content TEXT NOT NULL DEFAULT '',
+    stage TEXT NOT NULL DEFAULT 'small_blocks',
+    is_small INTEGER NOT NULL DEFAULT 0,
+    parent_block_id TEXT,
+    updated_at TEXT NOT NULL,
+    PRIMARY KEY (topic, block_id)
+)
+"""
+
 _db: aiosqlite.Connection | None = None
 
 
@@ -230,6 +283,10 @@ async def init_db():
     await db.execute(CREATE_SOURCE)
     await db.execute(CREATE_GUIDE_OUTLINE)
     await db.execute(CREATE_SUB_ARTEFAKTE)
+    await db.execute(CREATE_KANBAN_TITLES)
+    await db.execute(CREATE_KANBAN_CHAINS)
+    await db.execute(CREATE_KANBAN_CHAIN_MEMBERS)
+    await db.execute(CREATE_KANBAN_BLOCKS)
     try:  # migration for existing DBs without the step column
         await db.execute("ALTER TABLE guides ADD COLUMN step INTEGER")
     except aiosqlite.OperationalError:
@@ -706,6 +763,144 @@ async def delete_blocks(topic: str) -> None:
     await db.commit()
 
 
+# ── Kanban streaming dataflow (inventory) ───────────────────────────────────────
+# Generic stage helpers. `stage` is the queue key: a worker pulls WHERE stage = <its input stage>.
+_KANBAN_ID = {"kanban_titles": "title_norm", "kanban_chains": "chain_id", "kanban_blocks": "block_id"}
+
+
+async def kanban_pull(topic: str, table: str, stage: str, limit: int) -> list[dict]:
+    """Oldest `limit` cards sitting in `stage` (FIFO via updated_at)."""
+    idc = _KANBAN_ID[table]  # validates table name
+    db = await get_db()
+    cursor = await db.execute(
+        f"SELECT * FROM {table} WHERE topic = ? AND stage = ? ORDER BY updated_at LIMIT ?", (topic, stage, limit))
+    rows = await cursor.fetchall()
+    return [_row_to_dict(row, cursor) for row in rows]
+
+
+async def kanban_count(topic: str, table: str, stages) -> int:
+    """How many cards sit in any of `stages` (str or list) — for queue length / quiescence."""
+    _ = _KANBAN_ID[table]
+    if isinstance(stages, str):
+        stages = [stages]
+    if not stages:
+        return 0
+    db = await get_db()
+    ph = ",".join("?" * len(stages))
+    cursor = await db.execute(f"SELECT count(*) FROM {table} WHERE topic = ? AND stage IN ({ph})", (topic, *stages))
+    return (await cursor.fetchone())[0]
+
+
+async def kanban_advance(topic: str, table: str, id_val: str, stage: str) -> None:
+    """Move a card to `stage` (advance to next column, or back for rework/retraction)."""
+    idc = _KANBAN_ID[table]
+    db = await get_db()
+    await db.execute(f"UPDATE {table} SET stage = ?, updated_at = ? WHERE topic = ? AND {idc} = ?",
+                     (stage, _now(), topic, id_val))
+    await db.commit()
+
+
+async def kanban_add_title(topic: str, title_norm: str, title: str, source: str = "", content: str = "") -> bool:
+    """Research → titles queue (stage 'merge'). Exact dupes are dropped (PK conflict). → True if new."""
+    db = await get_db()
+    cursor = await db.execute(
+        """INSERT INTO kanban_titles (topic, title_norm, title, source, content, stage, updated_at)
+           VALUES (?, ?, ?, ?, ?, 'merge', ?) ON CONFLICT(topic, title_norm) DO NOTHING""",
+        (topic, title_norm, title, source, content, _now()))
+    await db.commit()
+    return cursor.rowcount > 0
+
+
+async def kanban_upsert_chain(topic: str, chain_id: str, stage: str, main_title_norm: str | None = None,
+                                 dirty: int = 0) -> None:
+    db = await get_db()
+    await db.execute(
+        """INSERT INTO kanban_chains (topic, chain_id, stage, main_title_norm, dirty, updated_at)
+           VALUES (?, ?, ?, ?, ?, ?)
+           ON CONFLICT(topic, chain_id) DO UPDATE SET
+               stage = excluded.stage, main_title_norm = COALESCE(excluded.main_title_norm, kanban_chains.main_title_norm),
+               dirty = excluded.dirty, updated_at = excluded.updated_at""",
+        (topic, chain_id, stage, main_title_norm, dirty, _now()))
+    await db.commit()
+
+
+async def kanban_set_chain_members(topic: str, chain_id: str, members: list[str]) -> None:
+    """Replace the member set of a chain (one title belongs to exactly one chain)."""
+    db = await get_db()
+    await db.execute("DELETE FROM kanban_chain_members WHERE topic = ? AND chain_id = ?", (topic, chain_id))
+    for nm in members:
+        await db.execute(
+            """INSERT INTO kanban_chain_members (topic, chain_id, title_norm) VALUES (?, ?, ?)
+               ON CONFLICT(topic, title_norm) DO UPDATE SET chain_id = excluded.chain_id""",
+            (topic, chain_id, nm))
+    await db.commit()
+
+
+async def kanban_chain_members(topic: str, chain_id: str) -> list[str]:
+    db = await get_db()
+    cursor = await db.execute(
+        "SELECT title_norm FROM kanban_chain_members WHERE topic = ? AND chain_id = ?", (topic, chain_id))
+    return [r[0] for r in await cursor.fetchall()]
+
+
+async def kanban_member_chain(topic: str, title_norm: str) -> str | None:
+    """Which chain a title currently belongs to (or None)."""
+    db = await get_db()
+    cursor = await db.execute(
+        "SELECT chain_id FROM kanban_chain_members WHERE topic = ? AND title_norm = ?", (topic, title_norm))
+    row = await cursor.fetchone()
+    return row[0] if row else None
+
+
+async def kanban_upsert_block(topic: str, block_id: str, chain_id: str | None, title: str, source: str = "",
+                                 content: str = "", stage: str = "small_blocks", is_small: int = 0,
+                                 parent_block_id: str | None = None) -> None:
+    """Chain-id-stable block (Filter/Block). Upsert → growing chains overwrite, never duplicate."""
+    db = await get_db()
+    await db.execute(
+        """INSERT INTO kanban_blocks (topic, block_id, chain_id, title, source, content, stage, is_small, parent_block_id, updated_at)
+           VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+           ON CONFLICT(topic, block_id) DO UPDATE SET
+               chain_id = excluded.chain_id, title = excluded.title, source = excluded.source,
+               content = excluded.content, stage = excluded.stage, is_small = excluded.is_small,
+               parent_block_id = excluded.parent_block_id, updated_at = excluded.updated_at""",
+        (topic, block_id, chain_id, title, source, content, stage, is_small, parent_block_id, _now()))
+    await db.commit()
+
+
+async def kanban_titles_by_norm(topic: str) -> dict[str, dict]:
+    """All titles of a topic keyed by title_norm (the candidate universe for chaining)."""
+    db = await get_db()
+    cursor = await db.execute("SELECT * FROM kanban_titles WHERE topic = ?", (topic,))
+    rows = await cursor.fetchall()
+    return {(d := _row_to_dict(row, cursor))["title_norm"]: d for row in rows}
+
+
+async def kanban_all_blocks(topic: str) -> list[dict]:
+    db = await get_db()
+    cursor = await db.execute("SELECT * FROM kanban_blocks WHERE topic = ?", (topic,))
+    rows = await cursor.fetchall()
+    return [_row_to_dict(row, cursor) for row in rows]
+
+
+async def kanban_stage_counts(topic: str) -> dict[str, int]:
+    """{stage: count} across all kanban tables — for the live board / quiescence."""
+    db = await get_db()
+    out: dict[str, int] = {}
+    for table in ("kanban_titles", "kanban_chains", "kanban_blocks"):
+        cursor = await db.execute(f"SELECT stage, count(*) FROM {table} WHERE topic = ? GROUP BY stage", (topic,))
+        for stage, n in await cursor.fetchall():
+            out[stage] = out.get(stage, 0) + n
+    return out
+
+
+async def kanban_reset(topic: str) -> None:
+    db = await get_db()
+    for table in ("kanban_titles", "kanban_chains", "kanban_chain_members", "kanban_blocks"):
+        await db.execute(f"DELETE FROM {table} WHERE topic = ?", (topic,))
+    await db.commit()
+
+
 async def upsert_subblock(topic: str, block_norm: str, sub_norm: str, block: str, sub_title: str) -> None:
     db = await get_db()
     await db.execute(

backend/guide.py

@@ -469,7 +469,7 @@ async def _generate_sections(
                     topic=topic, assignment=assignments[i], facts=facts,
                     out_path=content_paths[i], extra=_extra(instructions),
                 ),
-                _timeout("content", chunk_sizes[i]), provider=provider, role="guide", capabilities="full",
+                _timeout("content", chunk_sizes[i]), provider=provider, role="guide", capabilities="full", scope=topic,
             )
             for i in pending
         ], writer_count, report, start=writer_count - len(pending))
@@ -509,7 +509,7 @@ async def _generate_sections(
                         topic=topic, assignment=_assignment_subs(followup_chunks[k], entries, subs_by_title),
                         facts=facts, out_path=followup_paths[k], extra=_extra(instructions),
                     ),
-                    _timeout("content", len(followup_chunks[k][0]["nums"])), provider=provider, role="guide", capabilities="full",
+                    _timeout("content", len(followup_chunks[k][0]["nums"])), provider=provider, role="guide", capabilities="full", scope=topic,
                 )
                 for k in followup_pending
             ], len(followup_chunks), report_n, start=len(followup_chunks) - len(followup_pending))
@@ -583,7 +583,7 @@ async def _generate_sections(
                     ),
                     out_path=fix_paths[i], extra=_extra(instructions),
                 ),
-                _timeout("content", len(fix_chunks[i])), provider=provider, role="guide", capabilities="full",
+                _timeout("content", len(fix_chunks[i])), provider=provider, role="guide", capabilities="full", scope=topic,
             )
             for i in fix_pending
         ], return_exceptions=True)
@@ -620,7 +620,7 @@ async def _generate_sections(
                     contents=content_text(w_chunks[i]),
                     spec=spec, out_path=paths[i], extra=_extra(instructions),
                 ),
-                _timeout("writer", 1), provider=provider, role="guide", capabilities="files",
+                _timeout("writer", 1), provider=provider, role="guide", capabilities="files", scope=topic,
             )
             for i in pending
         ], len(w_chunks), report, start=len(w_chunks) - len(pending))
@@ -668,7 +668,7 @@ async def _generate_sections(
                         topic=topic, format_name=format_name, assignment=_assignment_subs(nw_chunks[k], entries, subs_by_title),
                         contents=content_text(nw_chunks[k]), spec=spec, out_path=nw_paths[k], extra=_extra(instructions),
                     ),
-                    _timeout("writer", 1), provider=provider, role="guide", capabilities="files",
+                    _timeout("writer", 1), provider=provider, role="guide", capabilities="files", scope=topic,
                 )
                 for k in nw_pending
             ], len(nw_chunks), report_nw, start=len(nw_chunks) - len(nw_pending))
@@ -770,7 +770,7 @@ async def _generate_sections(
                     tasks=tasks_text(fix_chunks[i], problems_by_num),
                     out_path=fix_paths[i], extra=_extra(instructions),
                 ),
-                _timeout("writer", len(fix_chunks[i])), provider=provider, role="guide", capabilities="full",
+                _timeout("writer", len(fix_chunks[i])), provider=provider, role="guide", capabilities="full", scope=topic,
             )
             for i in fix_pending
         ], return_exceptions=True)

backend/kanban.py

@@ -0,0 +1,748 @@
+"""Streaming kanban dataflow for the inventory phase.
+
+Each column is a worker that pulls cards from its input `stage` (the queue), processes up to
+KANBAN_BATCH at a time, and advances them to the next stage. Cards: titles → chains → blocks.
+
+Streaming columns run continuously; barrier columns start only at QUIESCENCE of everything before
+them (no active worker + empty queues). Verify columns push failures back (rework). The Chain column
+re-clusters live: a chain that gains a member is marked dirty and flows back to chain_verify.
+
+Reused from blocks.py (imported lazily-safe — kanban is only imported after blocks is loaded):
+embedding clustering, `_pairs_schema`/`_cliques`, `_canonical`, research prompt + file payload.
+"""
+
+import asyncio
+import json
+import uuid
+
+import database as db
+import embedding
+import blocks
+from config import RESEARCH_GRACE, MAX_CONCURRENT_AGENTS_PER_TOPIC
+from pipeline import GenContext, run_single_slot, _prompt, _timeout, _log, OK
+from textkit import _norm_title, _title, _parse_selection
+from jsonio import read_json_file as _json_file
+
+KANBAN_BATCH = 5          # cards a worker pulls per package (micro-batching)
+# How many packages ONE worker keeps in flight at once. A worker no longer blocks on a single
+# package — it keeps pulling and dispatching until this many run concurrently, so a busy column
+# fills the agent slots (the per-topic semaphore is the real cap; over-dispatch just queues cheaply).
+WORKER_INFLIGHT = MAX_CONCURRENT_AGENTS_PER_TOPIC
+# Stages whose processor mutates shared cross-card state and MUST run one package at a time.
+# Online chain-clustering reads the whole universe + membership; parallel packages would race.
+_SERIAL_STAGES = {"chain"}
+_ID_COL = {"kanban_titles": "title_norm", "kanban_chains": "chain_id", "kanban_blocks": "block_id"}
+CHAIN_CAP = 12            # max members per chain — caps the O(n²) pair-verification blow-up
+_POLL = 0.3               # seconds between empty-queue polls
+
+# Stage order. A card's `stage` = the column it waits in (its worker's input).
+TITLE_STAGES = ["merge", "chain", "chained"]                 # 'chained' = consumed into a chain
+CHAIN_STAGES = ["chain_verify", "naming", "naming_verify", "chain_filter", "filter_verify", "block_assemble"]
+BLOCK_STAGES = ["small_blocks", "small_verify", "dependency", "dependency_verify", "main"]
+DONE_CHAIN = "done_chain"
+DONE_BLOCK = "done_block"
+REJECTED = "rejected"     # block dropped by filter_verify (off-topic / noise) — terminal, never mirrored
+
+# Predecessor stages for each barrier (must ALL be quiescent before the barrier worker runs).
+_BEFORE_CHAIN_FILTER = ["merge", "chain", "chain_verify", "naming", "naming_verify"]
+_BEFORE_BLOCK = _BEFORE_CHAIN_FILTER + ["chain_filter", "filter_verify"]
+_BEFORE_MAIN = ["small_blocks", "small_verify", "dependency", "dependency_verify"]
+
+
+class _Flow:
+    """Shared runtime state: active-task counters per stage + a wakeup event. `producers` counts the
+    running research agents (initial + any added live via the generate button); research counts as
+    done only when ALL producers have finished, so the flow stays awake while extras still search."""
+    def __init__(self, topic: str, work_dir):
+        self.topic = topic
+        self.work_dir = work_dir
+        self.active: dict[str, int] = {}
+        self.producers = 1          # the initial research agent
+        self.research_tag = 0
+        self.stop = False
+        self.wake = asyncio.Event()
+        self.spawn_research = None  # set by run_kanban: () → coroutine that adds one more research agent
+
+    @property
+    def research_done(self) -> bool:
+        return self.producers <= 0
+
+    def add_producer(self):
+        self.producers += 1
+        self.wake.set()
+
+    def done_producer(self):
+        self.producers -= 1
+        self.wake.set()
+
+    def next_tag(self) -> int:
+        self.research_tag += 1
+        return self.research_tag
+
+    def enter(self, stage: str):
+        self.active[stage] = self.active.get(stage, 0) + 1
+
+    def leave(self, stage: str):
+        self.active[stage] = max(0, self.active.get(stage, 0) - 1)
+        self.wake.set()
+
+    def active_in(self, stages) -> bool:
+        return any(self.active.get(s, 0) > 0 for s in stages)
+
+    async def queued_in(self, table: str, stages) -> bool:
+        return await db.kanban_count(self.topic, table, list(stages)) > 0
+
+
+# ── Research producer ────────────────────────────────────────────────────────────
+async def _ingest_titles(topic: str, text: str) -> int:
+    """Parse a reader file into kanban_titles (stage 'merge'). Exact dupes drop on the PK. → new count."""
+    n, seen = 0, set()
+    for record in _parse_selection(text).values():
+        title = _title(record)
+        norm = _norm_title(title)
+        if not norm or norm in seen:
+            continue
+        seen.add(norm)
+        parts = [t.strip() for t in record.split(" — ")]
+        source = parts[2] if len(parts) >= 3 else ""
+        desc = parts[1] if len(parts) >= 2 else ""
+        if await db.kanban_add_title(topic, norm, title, source, desc):
+            n += 1
+    return n
+
+
+RESEARCH_RUNTIME = 900  # one research agent, one round, ~15 min hard cap — the tail ingests live while it writes
+_POLL_RESEARCH = 3      # seconds between live reads of a running research file
+
+# Live registry of running flows, so the "+ research" button can attach another agent to a live run.
+_active_flows: dict[str, "_Flow"] = {}
+
+
+def _extract_text(raw_line: str) -> str:
+    """Best-effort: pull assistant/tool text out of ONE opencode `--format json` event line.
+    Recursively collects every `text`/`content` string — robust to the exact event schema."""
+    try:
+        obj = json.loads(raw_line)
+    except Exception:
+        return ""
+    parts: list[str] = []
+    def _walk(o):
+        if isinstance(o, dict):
+            for k, v in o.items():
+                if k in ("text", "content") and isinstance(v, str):
+                    parts.append(v)
+                else:
+                    _walk(v)
+        elif isinstance(o, list):
+            for v in o:
+                _walk(v)
+    _walk(obj)
+    return "".join(parts)
+
+
+async def _research_once(ctx: GenContext, files: dict, q: dict, folder, instructions: str, tag: str, flow: "_Flow"):
+    """ONE agent searches the topic; its titles go into the merge queue LIVE. Two sources feed the
+    ingest: the JSON event stream (on_line → text buffer) AND the file the agent writes — whichever
+    the agent uses, cards stream in immediately (not only after it finishes)."""
+    work_dir = files["arbeit"]
+    caps = "files" if folder else "full"
+    p = work_dir / f"research-{tag}.md"
+    p.unlink(missing_ok=True)
+    stop = asyncio.Event()
+    buf: list[str] = []  # assistant text streamed live from the JSON events
+
+    def _on_line(raw: str):  # sync, called per stdout line by the agent runner
+        if (t := _extract_text(raw)):
+            buf.append(t)
+
+    async def _drain() -> bool:  # ingest from BOTH event buffer and file (idempotent, dupes drop on PK)
+        text = "".join(buf)
+        if (ft := blocks._file_payload(p)):
+            text += "\n" + ft
+        return bool(text) and await _ingest_titles(ctx.topic, text)
+
+    async def _tail():  # live-ingest loop while the agent runs
+        while not stop.is_set():
+            try:
+                await asyncio.wait_for(stop.wait(), timeout=_POLL_RESEARCH)
+            except asyncio.TimeoutError:
+                pass
+            if await _drain():
+                flow.wake.set()  # new cards → wake the workers
+
+    tail = asyncio.create_task(_tail())
+    try:
+        await run_single_slot(
+            ctx, f"research-{tag}", key=f"blocks-{ctx.topic}-research-{tag}",
+            prompt=blocks._build_research_prompt(ctx.topic, p, instructions, q["type"], folder),
+            role="quick", capabilities=caps,
+            payload=(lambda result, p=p: blocks._file_payload(p)),
+            timeout=RESEARCH_RUNTIME, on_line=_on_line,
+        )
+    finally:
+        stop.set()
+        await tail
+    if await _drain():  # final catch-up
+        flow.wake.set()
+    _log(ctx.topic, f"Research {tag}: titles → merge queue")
+
+
+async def _research(ctx: GenContext, files: dict, q: dict, folder, instructions: str, flow: _Flow):
+    """The initial research producer (already counted in flow.producers=1)."""
+    try:
+        await _research_once(ctx, files, q, folder, instructions, "1", flow)
+    finally:
+        flow.done_producer()
+
+
+async def _extra_research(ctx: GenContext, files: dict, q: dict, folder, instructions: str, flow: _Flow):
+    """One more research agent, added live via the generate button. Keeps the flow awake until done."""
+    flow.add_producer()
+    try:
+        await _research_once(ctx, files, q, folder, instructions, f"x{flow.next_tag()}", flow)
+    finally:
+        flow.done_producer()
+
+
+def add_research_agent(topic: str) -> bool:
+    """Attach one more research agent to a running flow. → True if a run was live to attach to."""
+    flow = _active_flows.get(topic)
+    if flow is None or flow.stop or flow.spawn_research is None:
+        return False
+    asyncio.create_task(flow.spawn_research())
+    return True
+
+
+# ── Generic worker loop ────────────────────────────────────────────────────────────
+async def _quiescent(flow: _Flow, stages) -> bool:
+    """True iff no worker is active in `stages` AND no card is queued in any of them (all tables).
+    The barrier/exit condition — must include QUEUED cards, not just active workers, or a worker
+    could exit in a momentary lull while an upstream worker still has work to push down."""
+    if not stages:
+        return True
+    if flow.active_in(stages):
+        return False
+    for tb in ("kanban_titles", "kanban_chains", "kanban_blocks"):
+        if await db.kanban_count(flow.topic, tb, list(stages)):
+            return False
+    return True
+
+
+async def _worker(flow: _Flow, table: str, in_stage: str, process, upstream, *, barrier=False, inflight=WORKER_INFLIGHT):
+    """Pull cards from `in_stage`, run `process` — keeping up to `inflight` packages running CONCURRENTLY
+    so a busy column fills the agent slots instead of doing one package at a time. `upstream` = all stages
+    before this one. A barrier worker only pulls when `upstream` is fully quiescent. ANY worker exits only
+    when research is done, its own queue is empty, AND `upstream` is quiescent (nothing can still arrive).
+
+    Double-pull safety: each stage has exactly ONE worker, so an in-memory `claimed` set of card-ids (held
+    while a package runs) is enough to keep concurrent pulls from grabbing the same cards."""
+    topic = flow.topic
+    idc = _ID_COL[table]
+    claimed: set[str] = set()
+    tasks: set[asyncio.Task] = set()
+
+    async def _run(cards):
+        ids = [c[idc] for c in cards]
+        flow.enter(in_stage)
+        try:
+            await process(cards)
+        except Exception as e:  # one bad package must not kill the worker
+            _log(topic, f"worker {in_stage}: {type(e).__name__}: {e}")
+        finally:
+            flow.leave(in_stage)
+            for i in ids:
+                claimed.discard(i)
+            flow.wake.set()
+
+    try:
+        while not flow.stop:
+            tasks = {t for t in tasks if not t.done()}
+            # Fill the pipeline: pull fresh cards and dispatch until `inflight` packages run.
+            if not barrier or await _quiescent(flow, upstream):
+                while len(tasks) < inflight:
+                    rows = await db.kanban_pull(topic, table, in_stage, KANBAN_BATCH + len(claimed))
+                    fresh = [r for r in rows if r[idc] not in claimed][:KANBAN_BATCH]
+                    if not fresh:
+                        break
+                    for r in fresh:
+                        claimed.add(r[idc])
+                    tasks.add(asyncio.create_task(_run(list(fresh))))
+            if tasks:  # busy → wait for a package to finish, then refill
+                await asyncio.wait(tasks, timeout=_POLL, return_when=asyncio.FIRST_COMPLETED)
+                continue
+            # idle: nothing in flight and nothing pulled
+            up_quiet = await _quiescent(flow, upstream)
+            if (flow.research_done and up_quiet and not flow.active_in([in_stage])
+                    and await db.kanban_count(topic, table, in_stage) == 0):
+                return  # nothing left and nothing upstream can produce
+            await _sleep_wake(flow)
+    finally:
+        for t in tasks:
+            t.cancel()
+        if tasks:
+            await asyncio.gather(*tasks, return_exceptions=True)
+
+
+async def _sleep_wake(flow: _Flow):
+    try:
+        await asyncio.wait_for(flow.wake.wait(), timeout=_POLL)
+    except asyncio.TimeoutError:
+        pass
+    flow.wake.clear()
+
+
+# ── Column processors ──────────────────────────────────────────────────────────────
+async def _proc_merge(flow: _Flow, cards):
+    """Exact dedup happened at ingest (PK). Merge just advances titles to the chain column."""
+    for c in cards:
+        await db.kanban_advance(flow.topic, "kanban_titles", c["title_norm"], "chain")
+    flow.wake.set()
+
+
+async def _proc_chain(flow: _Flow, cards):
+    """Embedding blocking: for each new title, find the most similar existing title (cosine ≥ floor).
+    Join its chain (or open a new one), mark the chain dirty → chain_verify. Live-growing clusters."""
+    topic = flow.topic
+    by_norm = await db.kanban_titles_by_norm(topic)
+    # Universe = titles already chained + the new batch (for nearest-neighbour search).
+    universe = [nm for nm, r in by_norm.items() if r["stage"] in ("chain", "chained")]
+    if len(universe) < 1:
+        return
+    texts = [f"{by_norm[nm]['title']} — {by_norm[nm]['content']}" if by_norm[nm]["content"] else by_norm[nm]["title"]
+             for nm in universe]
+    sims = await asyncio.to_thread(embedding.embed_sims, texts) if (
+        embedding and await asyncio.to_thread(embedding.available)) else None
+    idx = {nm: i for i, nm in enumerate(universe)}
+    # existing membership
+    member_chain = {}
+    for nm in universe:
+        cid = await _chain_of(topic, nm)
+        if cid:
+            member_chain[nm] = cid
+    touched = set()
+    for c in cards:
+        nm = c["title_norm"]
+        target = None
+        if sims is not None and nm in idx:
+            best, bestcos = None, blocks.DEDUP_PAIR_FLOOR
+            for other in universe:
+                if other == nm or other not in member_chain and other not in idx:
+                    continue
+                cos = float(sims[idx[nm]][idx[other]]) if other in idx else -1
+                if cos >= bestcos and other != nm:
+                    best, bestcos = other, cos
+            if best is not None:
+                target = member_chain.get(best)
+        cid = target or f"c-{uuid.uuid4().hex[:12]}"
+        members = set(await db.kanban_chain_members(topic, cid))
+        if target and len(members) >= CHAIN_CAP:   # neighbour's chain is full → start a fresh chain
+            cid = f"c-{uuid.uuid4().hex[:12]}"
+            members = set()
+        members.add(nm)
+        await db.kanban_set_chain_members(topic, cid, sorted(members))
+        await db.kanban_upsert_chain(topic, cid, "chain_verify", dirty=1)
+        member_chain[nm] = cid
+        await db.kanban_advance(topic, "kanban_titles", nm, "chained")
+        touched.add(cid)
+    flow.wake.set()
+
+
+async def _chain_of(topic: str, title_norm: str) -> str | None:
+    return await db.kanban_member_chain(topic, title_norm)
+
+
+async def _members_dicts(topic: str, members: list[str]) -> list[dict]:
+    by = await db.kanban_titles_by_norm(topic)
+    return [by[m] for m in members if m in by]
+
+
+async def _proc_chain_verify(ctx: GenContext, flow: _Flow, cards):
+    """Pairwise-verify the batch's chains IN PARALLEL (one agent per chain). Failures split off."""
+    await asyncio.gather(*[_verify_one(ctx, flow, c) for c in cards], return_exceptions=True)
+    flow.wake.set()
+
+
+async def _verify_one(ctx: GenContext, flow: _Flow, c):
+    topic = flow.topic
+    cid = c["chain_id"]
+    members = await db.kanban_chain_members(topic, cid)
+    dicts = await _members_dicts(topic, members)
+    if len(dicts) <= 1:
+        await db.kanban_upsert_chain(topic, cid, "naming", dirty=0)
+        return
+    # Only the embedding-NEAR candidate pairs (cosine ≥ floor) — NOT all O(n²) pairs. A 12-member
+    # chain shrinks from 66 pairs to a handful. Transitivity (connected components) does the rest.
+    nm = [d["title_norm"] for d in dicts]
+    texts = [f"{d['title']} — {d['content']}" if d["content"] else d["title"] for d in dicts]
+    sims = await asyncio.to_thread(embedding.embed_sims, texts) if (
+        embedding and await asyncio.to_thread(embedding.available)) else None
+    if sims is not None:
+        pairs = [(nm[i], nm[j]) for i in range(len(nm)) for j in range(i + 1, len(nm))
+                 if float(sims[i][j]) >= blocks.DEDUP_PAIR_FLOOR]
+    else:
+        pairs = [(a, b) for x, a in enumerate(members) for b in members[x + 1:]]
+    keep_edges = await _verify_pairs(ctx, flow.work_dir, topic, cid, dicts, pairs)
+    groups = _components(members, keep_edges)  # transitive groups over confirmed near-pairs
+    groups.sort(key=len, reverse=True)
+    main = groups[0] if groups else members
+    await db.kanban_set_chain_members(topic, cid, sorted(main))
+    await db.kanban_upsert_chain(topic, cid, "naming", dirty=0)
+    for g in groups[1:]:  # the rest split into fresh chains
+        ncid = f"c-{uuid.uuid4().hex[:12]}"
+        await db.kanban_set_chain_members(topic, ncid, sorted(g))
+        await db.kanban_upsert_chain(topic, ncid, "naming", dirty=0)
+
+
+def _components(members: list[str], edges) -> list[list[str]]:
+    """Connected components (union-find) over confirmed pairs. Members without an edge stay alone."""
+    parent = {m: m for m in members}
+
+    def find(x):
+        while parent[x] != x:
+            parent[x] = parent[parent[x]]
+            x = parent[x]
+        return x
+
+    for a, b in edges:
+        if a in parent and b in parent:
+            parent[find(a)] = find(b)
+    comp: dict[str, list[str]] = {}
+    for m in members:
+        comp.setdefault(find(m), []).append(m)
+    return list(comp.values())
+
+
+async def _verify_pairs(ctx, work_dir, topic, cid, dicts, pairs):
+    """Judge the candidate pairs in DEDUP_PAIRS_CHUNK packages, all packages IN PARALLEL → confirmed edges."""
+    by = {d["title_norm"]: d for d in dicts}
+    chunks = [pairs[k:k + blocks.DEDUP_PAIRS_CHUNK] for k in range(0, len(pairs), blocks.DEDUP_PAIRS_CHUNK)]
+
+    async def _chunk(ci, chunk):
+        path = work_dir / f"verify-{cid}-{ci}.json"
+        lines = "\n\n".join(
+            f"{j + 1}.\nA: {by[a]['title']} — {by[a]['content']}\nB: {by[b]['title']} — {by[b]['content']}"
+            for j, (a, b) in enumerate(chunk))
+        await run_single_slot(
+            ctx, f"Chain verify {cid}", key=f"blocks-{topic}-verify-{cid}-{ci}",
+            prompt=_prompt("Blocks-Paar-Filter", topic=topic, pairs=lines, out_path=path),
+            role="judge", capabilities="files",
+            payload=lambda result, p=path: blocks._pairs_schema(_json_file(p)),
+            timeout=_timeout("selection_mapping", len(chunk)))
+        verdict = blocks._pairs_schema(_json_file(path)) or {}
+        return [(a, b) for j, (a, b) in enumerate(chunk) if verdict.get(j + 1)]
+
+    results = await asyncio.gather(*[_chunk(ci, ch) for ci, ch in enumerate(chunks)], return_exceptions=True)
+    return [e for r in results if isinstance(r, list) for e in r]
+
+
+async def _proc_naming(ctx: GenContext, flow: _Flow, cards):
+    """Pick the best member title per chain — batch runs IN PARALLEL (one agent per chain)."""
+    await asyncio.gather(*[_name_one(ctx, flow, c) for c in cards], return_exceptions=True)
+    flow.wake.set()
+
+
+async def _name_one(ctx: GenContext, flow: _Flow, c):
+    topic = flow.topic
+    cid = c["chain_id"]
+    members = await db.kanban_chain_members(topic, cid)
+    dicts = await _members_dicts(topic, members)
+    if len(dicts) <= 1:
+        await db.kanban_upsert_chain(topic, cid, "naming_verify",
+                                     main_title_norm=(members[0] if members else None), dirty=0)
+        return
+    winner = await _choose_title(ctx, flow.work_dir, topic, cid, members, dicts, "Blocks-Naming")
+    await db.kanban_upsert_chain(topic, cid, "naming_verify", main_title_norm=winner, dirty=0)
+
+
+async def _proc_naming_verify(ctx: GenContext, flow: _Flow, cards):
+    """Second judge checks each title — batch runs IN PARALLEL."""
+    await asyncio.gather(*[_namecheck_one(ctx, flow, c) for c in cards], return_exceptions=True)
+    flow.wake.set()
+
+
+async def _namecheck_one(ctx: GenContext, flow: _Flow, c):
+    topic = flow.topic
+    cid = c["chain_id"]
+    members = await db.kanban_chain_members(topic, cid)
+    dicts = await _members_dicts(topic, members)
+    winner = c.get("main_title_norm") or (members[0] if members else None)
+    if len(dicts) > 1:
+        winner = await _choose_title(ctx, flow.work_dir, topic, cid, members, dicts, "Blocks-Naming-Check",
+                                     current=(members.index(winner) + 1 if winner in members else 1))
+    await db.kanban_upsert_chain(topic, cid, "chain_filter", main_title_norm=winner, dirty=0)
+
+
+async def _choose_title(ctx, work_dir, topic, cid, members, dicts, template, current=None):
+    by = {d["title_norm"]: d for d in dicts}
+    path = work_dir / f"naming-{cid}.json"
+    lines = "\n".join(f"{k + 1}. {by[m]['title']} — {by[m]['content']}" for k, m in enumerate(members) if m in by)
+    kw = dict(topic=topic, members=lines, out_path=path)
+    if current is not None:
+        kw["current"] = current
+    await run_single_slot(
+        ctx, f"Naming {cid}", key=f"blocks-{topic}-naming-{cid}",
+        prompt=_prompt(template, **kw), role="judge", capabilities="files",
+        payload=lambda result, p=path: blocks._naming_schema(_json_file(p), len(members)),
+        timeout=_timeout("selection_mapping", len(members)))
+    best = blocks._naming_schema(_json_file(path), len(members))
+    if best is None:
+        rep = blocks._canonical(dicts, list(range(len(dicts))), set())
+        w = _norm_title(rep["title"])
+        return w if w in members else members[0]
+    return members[best - 1]
+
+
+async def _proc_chain_filter(flow: _Flow, cards):
+    """BARRIER. Reduce each chain to its winner → upsert a block (chain_id stable). → filter_verify."""
+    topic = flow.topic
+    by = await db.kanban_titles_by_norm(topic)
+    for c in cards:
+        cid = c["chain_id"]
+        members = await db.kanban_chain_members(topic, cid)
+        winner = c.get("main_title_norm") if c.get("main_title_norm") in members else (members[0] if members else None)
+        if not winner or winner not in by:
+            await db.kanban_upsert_chain(topic, cid, DONE_CHAIN, dirty=0)
+            continue
+        w = by[winner]
+        await db.kanban_upsert_block(topic, f"b-{cid}", cid, w["title"], w["source"], w["content"], stage="filter_verify_b")
+        await db.kanban_upsert_chain(topic, cid, "filter_verify", dirty=0)
+    flow.wake.set()
+
+
+async def _proc_filter_verify(ctx: GenContext, flow: _Flow, cards):
+    """An agent confirms each reduced block is a valid, on-topic, self-contained concept. Off-topic /
+    noise / empty blocks are dropped (→ REJECTED, chain done). IN PARALLEL (one agent per block)."""
+    await asyncio.gather(*[_filtercheck_one(ctx, flow, c) for c in cards], return_exceptions=True)
+    flow.wake.set()
+
+
+async def _filtercheck_one(ctx: GenContext, flow: _Flow, c):
+    topic = flow.topic
+    cid = c["chain_id"]
+    bid = f"b-{cid}"
+    by = await db.kanban_titles_by_norm(topic)
+    members = await db.kanban_chain_members(topic, cid)
+    winner = c.get("main_title_norm") if c.get("main_title_norm") in by else (members[0] if members else None)
+
+    async def _drop():
+        await db.kanban_advance(topic, "kanban_blocks", bid, REJECTED)
+        await db.kanban_upsert_chain(topic, cid, DONE_CHAIN, dirty=0)
+
+    async def _pass():
+        await db.kanban_advance(topic, "kanban_blocks", bid, "block_assemble_b")
+        await db.kanban_upsert_chain(topic, cid, "block_assemble", dirty=0)
+
+    if not winner or winner not in by:  # nothing to verify → drop the empty chain
+        await _drop()
+        return
+    w = by[winner]
+    path = flow.work_dir / f"filtercheck-{cid}.json"
+    await run_single_slot(
+        ctx, f"Filter verify {cid}", key=f"blocks-{topic}-verify-filter-{cid}",
+        prompt=_prompt("Blocks-Filter-Check", topic=topic, title=w["title"], content=w["content"], out_path=path),
+        role="judge", capabilities="files",
+        payload=lambda result, p=path: _keep_schema(_json_file(p)),
+        timeout=_timeout("selection_mapping", 1))
+    keep = _keep_schema(_json_file(path))
+    await (_drop() if keep is False else _pass())  # None (parse fail) → keep, conservative
+
+
+async def _proc_block(flow: _Flow, cards):
+    """BARRIER. Assemble the final block row → small_blocks. (chain card consumed → done.)"""
+    topic = flow.topic
+    for c in cards:
+        cid = c["chain_id"]
+        await db.kanban_advance(topic, "kanban_blocks", f"b-{cid}", "small_blocks")
+        await db.kanban_upsert_chain(topic, cid, DONE_CHAIN, dirty=0)
+    flow.wake.set()
+
+
+def _small_schema(data, count):
+    """{"small": {"1": true, ...}} → {block_index: bool} · else None."""
+    if not isinstance(data, dict) or not isinstance(data.get("small"), dict):
+        return None
+    out = {}
+    for k, v in data["small"].items():
+        try:
+            n = int(k)
+        except (ValueError, TypeError):
+            continue
+        if 1 <= n <= count:
+            out[n] = str(v).strip().casefold() in ("true", "ja", "yes", "1")
+    return out or None
+
+
+def _keep_schema(data):
+    """{"keep": true/false} → bool · None when absent/unparseable (caller keeps on None, conservative)."""
+    if not isinstance(data, dict) or "keep" not in data:
+        return None
+    return str(data["keep"]).strip().casefold() in ("true", "ja", "yes", "1")
+
+
+def _dep_schema(data, count):
+    """{"parent": N} → 0..count (0 = standalone) · else None."""
+    if not isinstance(data, dict):
+        return None
+    try:
+        n = int(data.get("parent"))
+    except (ValueError, TypeError):
+        return None
+    return n if 0 <= n <= count else None
+
+
+async def _proc_small(ctx: GenContext, flow: _Flow, cards):
+    """Judge marks fragment-like blocks (batch). → small_verify."""
+    topic = flow.topic
+    path = flow.work_dir / f"small-{cards[0]['block_id']}.json"
+    lines = "\n".join(f"{i + 1}. {c['title']} — {c['content']}" for i, c in enumerate(cards))
+    await run_single_slot(
+        ctx, "Small blocks", key=f"blocks-{topic}-small-{cards[0]['block_id']}",
+        prompt=_prompt("Blocks-Small", topic=topic, blocks=lines, out_path=path),
+        role="judge", capabilities="files",
+        payload=lambda result, p=path: _small_schema(_json_file(p), len(cards)),
+        timeout=_timeout("selection_mapping", len(cards)))
+    verdict = _small_schema(_json_file(path), len(cards)) or {}
+    for i, c in enumerate(cards):
+        is_small = 1 if verdict.get(i + 1) else 0
+        await db.kanban_upsert_block(topic, c["block_id"], c["chain_id"], c["title"], c["source"], c["content"],
+                                     stage="small_verify", is_small=is_small, parent_block_id=c.get("parent_block_id"))
+    flow.wake.set()
+
+
+async def _proc_small_verify(ctx: GenContext, flow: _Flow, cards):
+    """Second judge re-checks the small flag (consensus): a block stays `small` only if it was marked
+    small AND this judge also calls it a fragment. Disagreement → keep as a main block (conservative).
+    → dependency."""
+    topic = flow.topic
+    path = flow.work_dir / f"smallcheck-{cards[0]['block_id']}.json"
+    lines = "\n".join(f"{i + 1}. {c['title']} — {c['content']}" for i, c in enumerate(cards))
+    await run_single_slot(
+        ctx, "Small verify", key=f"blocks-{topic}-verify-small-{cards[0]['block_id']}",
+        prompt=_prompt("Blocks-Small", topic=topic, blocks=lines, out_path=path),
+        role="judge", capabilities="files",
+        payload=lambda result, p=path: _small_schema(_json_file(p), len(cards)),
+        timeout=_timeout("selection_mapping", len(cards)))
+    verdict = _small_schema(_json_file(path), len(cards)) or {}
+    for i, c in enumerate(cards):
+        is_small = 1 if (c["is_small"] and verdict.get(i + 1)) else 0
+        await db.kanban_upsert_block(topic, c["block_id"], c["chain_id"], c["title"], c["source"], c["content"],
+                                     stage="dependency", is_small=is_small, parent_block_id=c.get("parent_block_id"))
+    flow.wake.set()
+
+
+async def _proc_dependency(ctx: GenContext, flow: _Flow, cards):
+    """For each SMALL block, a judge picks its parent from the full list — batch runs IN PARALLEL."""
+    topic = flow.topic
+    parents = [b for b in await db.kanban_all_blocks(topic) if not b["is_small"] and b["stage"] != REJECTED]
+    plist = "\n".join(f"{i + 1}. {b['title']}" for i, b in enumerate(parents))
+    await asyncio.gather(*[_dep_one(ctx, flow, c, parents, plist) for c in cards], return_exceptions=True)
+    flow.wake.set()
+
+
+async def _dep_one(ctx: GenContext, flow: _Flow, c, parents, plist):
+    topic = flow.topic
+    if not c["is_small"] or not parents:
+        await db.kanban_advance(topic, "kanban_blocks", c["block_id"], "dependency_verify")
+        return
+    path = flow.work_dir / f"dep-{c['block_id']}.json"
+    await run_single_slot(
+        ctx, "Dependency", key=f"blocks-{topic}-dep-{c['block_id']}",
+        prompt=_prompt("Blocks-Dependency", topic=topic,
+                       small=f"{c['title']} — {c['content']}", parents=plist, out_path=path),
+        role="judge", capabilities="files",
+        payload=lambda result, p=path: _dep_schema(_json_file(p), len(parents)),
+        timeout=_timeout("selection_mapping", len(parents)))
+    pick = _dep_schema(_json_file(path), len(parents))
+    parent_id = parents[pick - 1]["block_id"] if pick else None
+    await db.kanban_upsert_block(topic, c["block_id"], c["chain_id"], c["title"], c["source"], c["content"],
+                                 stage="dependency_verify", is_small=c["is_small"], parent_block_id=parent_id)
+
+
+async def _proc_dependency_verify(flow: _Flow, cards):
+    """A small block without a parent is demarked → becomes a main block. → main."""
+    topic = flow.topic
+    for c in cards:
+        is_small = c["is_small"]
+        if is_small and not c.get("parent_block_id"):
+            is_small = 0
+        await db.kanban_upsert_block(topic, c["block_id"], c["chain_id"], c["title"], c["source"], c["content"],
+                                     stage="main", is_small=is_small, parent_block_id=c.get("parent_block_id"))
+    flow.wake.set()
+
+
+async def _proc_main(flow: _Flow, cards):
+    """BARRIER. Finalize non-small blocks → mirror into the legacy `blocks` table as consensus."""
+    topic = flow.topic
+    for c in cards:
+        if not c["is_small"]:
+            norm = _norm_title(c["title"])
+            await db.upsert_block(topic, norm, c["title"], c["content"], [c["source"]] if c["source"] else [])
+            await db.set_block_status(topic, norm, "consensus")
+        await db.kanban_advance(topic, "kanban_blocks", c["block_id"], DONE_BLOCK)
+    flow.wake.set()
+
+
+# ── Orchestration ──────────────────────────────────────────────────────────────────
+async def run_kanban(ctx: GenContext, set_p, files: dict, q: dict, folder, instructions: str,
+                     research: bool = True) -> bool:
+    """Run the streaming inventory. Returns True when the whole flow reaches quiescence at 'main'.
+
+    research=False ("Continue"): process the EXISTING queue without searching new titles. No initial
+    research producer, producers=0 → research_done is true at once; workers drain the queue and exit.
+    The +Research button can still attach an agent later via flow.spawn_research."""
+    topic = ctx.topic
+    flow = _Flow(topic, files["arbeit"])
+    flow.spawn_research = lambda: _extra_research(ctx, files, q, folder, instructions, flow)
+    if not research:
+        flow.producers = 0  # continue the existing queue, search no new titles
+    _active_flows[topic] = flow
+    set_p("Kanban inventory…")
+
+    ORDER = ["merge", "chain", "chain_verify", "naming", "naming_verify", "chain_filter",
+             "filter_verify", "block_assemble", "small_blocks", "small_verify",
+             "dependency", "dependency_verify", "main"]
+    up = {s: ORDER[:i] for i, s in enumerate(ORDER)}   # upstream = all stages before this one
+    barriers = {"chain_filter", "block_assemble", "main"}
+    specs = [
+        ("kanban_titles", "merge", lambda cs: _proc_merge(flow, cs)),
+        ("kanban_titles", "chain", lambda cs: _proc_chain(flow, cs)),
+        ("kanban_chains", "chain_verify", lambda cs: _proc_chain_verify(ctx, flow, cs)),
+        ("kanban_chains", "naming", lambda cs: _proc_naming(ctx, flow, cs)),
+        ("kanban_chains", "naming_verify", lambda cs: _proc_naming_verify(ctx, flow, cs)),
+        ("kanban_chains", "chain_filter", lambda cs: _proc_chain_filter(flow, cs)),
+        ("kanban_chains", "filter_verify", lambda cs: _proc_filter_verify(ctx, flow, cs)),
+        ("kanban_chains", "block_assemble", lambda cs: _proc_block(flow, cs)),
+        ("kanban_blocks", "small_blocks", lambda cs: _proc_small(ctx, flow, cs)),
+        ("kanban_blocks", "small_verify", lambda cs: _proc_small_verify(ctx, flow, cs)),
+        ("kanban_blocks", "dependency", lambda cs: _proc_dependency(ctx, flow, cs)),
+        ("kanban_blocks", "dependency_verify", lambda cs: _proc_dependency_verify(flow, cs)),
+        ("kanban_blocks", "main", lambda cs: _proc_main(flow, cs)),
+    ]
+    workers = [_research(ctx, files, q, folder, instructions, flow)] if research else []
+    for table, stage, proc in specs:
+        workers.append(_worker(flow, table, stage, proc, up[stage], barrier=(stage in barriers),
+                               inflight=(1 if stage in _SERIAL_STAGES else WORKER_INFLIGHT)))
+
+    progress = asyncio.create_task(_progress(flow, set_p))
+    try:
+        await asyncio.gather(*workers, return_exceptions=True)
+    finally:
+        flow.stop = True
+        progress.cancel()
+        _active_flows.pop(topic, None)
+    if ctx.is_cancelled():
+        return False
+    n = await db.kanban_count(topic, "kanban_blocks", DONE_BLOCK)
+    _log(topic, f"Kanban: done — {n} blocks finalized")
+    return True
+
+
+async def _progress(flow: _Flow, set_p):
+    while not flow.stop:
+        try:
+            counts = await db.kanban_stage_counts(flow.topic)
+            total = sum(counts.values())
+            set_p(f"Kanban: {total} cards in flow")
+        except Exception:
+            pass
+        await asyncio.sleep(1.0)

backend/models.py

@@ -33,6 +33,7 @@ class BlocksCreateRequest(BaseModel):
     ab_phase: int | None = Field(default=None, ge=1, le=9)  # re-run from a coarse phase (position in _phasen(topic), 1-based; up to 9: …outline/questions/artifacts); None = resume/continue without deleting
     ab_step: int | None = Field(default=None, ge=0)  # re-run from a fine sub-step (0-based index into _blocks_steps); takes precedence over ab_phase
     to_step: int | None = Field(default=None, ge=0)  # stop AFTER this fine sub-step (0-based index into _blocks_steps); None = run to the end
+    research: bool = True  # False = "Continue": process the existing queue, search no new titles
 
 
 class BlocksResetStepRequest(BaseModel):

backend/pipeline.py

@@ -167,7 +167,7 @@ _yesno_schema = _enum_map_schema("relevant", _YESNO)            # triage gate
 _MAX_RESTARTS = 2
 
 
-async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout: int, provider: str, on_update=None, cancelled=None, *, grace: int | None = None) -> list | None:
+async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout: int, provider: str, on_update=None, cancelled=None, *, grace: int | None = None, min_runtime: int | None = None, max_runtime: int | None = None) -> list | None:
     """Starts all slots in parallel and collects `quorum` valid results.
 
     Slot spec: {key, prompt, role, capabilities, payload}. `payload(result)`
@@ -180,10 +180,18 @@ async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout:
     a timer of `grace` seconds. After it expires, running agents are only
     killed if the minimum stands — otherwise the race, including restarts,
     keeps running until it stands. Returns: `quorum` to `len(slots)` results.
+
+    `min_runtime` (wall-clock from start): the race does not return before it
+    elapses while agents are still running — gives them time to search thoroughly.
+    `max_runtime` (wall-clock from start): hard cap — returns whatever is collected
+    (or None if nothing), killing the rest. Both default off; only Research sets them.
     """
     attempts = {i: 0 for i in range(len(slots))}
     tasks: dict[asyncio.Task, int] = {}
     loop = asyncio.get_running_loop()
+    start = loop.time()
+    min_deadline = start + min_runtime if min_runtime else None
+    max_deadline = start + max_runtime if max_runtime else None
     deadline: float | None = None
 
     def spawn(i: int) -> None:
@@ -191,6 +199,7 @@ async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout:
         task = asyncio.create_task(run_agent(
             slot["key"], slot["prompt"], timeout,
             provider=provider, role=slot["role"], capabilities=slot["capabilities"],
+            scope=topic, on_line=slot.get("on_line"),
         ))
         tasks[task] = i
 
@@ -202,12 +211,22 @@ async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout:
         while tasks:
             if cancelled and cancelled():
                 return None
-            if deadline is not None and len(results) >= quorum and loop.time() >= deadline:
+            # Hard wall-clock cap: return whatever we have (None if empty), kill the rest.
+            if max_deadline is not None and loop.time() >= max_deadline:
+                _log(topic, f"{label}: max runtime {max_runtime}s reached ({len(results)} valid)")
+                return results or None
+            min_ok = min_deadline is None or loop.time() >= min_deadline
+            if deadline is not None and len(results) >= quorum and loop.time() >= deadline and min_ok:
                 return results
-            # Grace set and minimum reached → only wait for the remaining deadline
-            wait_timeout = None
+            # Wake up for the earliest relevant deadline (grace, min, or max).
+            waits = []
             if deadline is not None and len(results) >= quorum:
-                wait_timeout = max(0.0, deadline - loop.time())
+                waits.append(deadline - loop.time())
+                if min_deadline is not None:
+                    waits.append(min_deadline - loop.time())
+            if max_deadline is not None:
+                waits.append(max_deadline - loop.time())
+            wait_timeout = max(0.0, min(waits)) if waits else None
             done, _ = await asyncio.wait(tasks.keys(), return_when=asyncio.FIRST_COMPLETED, timeout=wait_timeout)
             if not done:
                 continue
@@ -234,7 +253,8 @@ async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout:
                         _log(topic, f"{label}: first result — grace {grace}s running")
                     if on_update:
                         on_update(len(results))
-                    if len(results) >= quorum and (grace is None or loop.time() >= deadline):
+                    if (len(results) >= quorum and (grace is None or loop.time() >= deadline)
+                            and (min_deadline is None or loop.time() >= min_deadline)):
                         return results
                     continue
 
@@ -272,13 +292,13 @@ OK, CANCELLED, FAILED = "ok", "cancelled", "failed"
 
 async def run_single_slot(
     ctx: GenContext, label: str, *,
-    key: str, prompt: str, role: str, capabilities: str, payload, timeout: int,
+    key: str, prompt: str, role: str, capabilities: str, payload, timeout: int, on_line=None,
 ) -> tuple[str, object]:
     """One agent, one valid result (race with quorum 1).
 
     → (OK, value) | (CANCELLED, None) | (FAILED, None)
     """
-    slots = [{"key": key, "prompt": prompt, "role": role, "capabilities": capabilities, "payload": payload}]
+    slots = [{"key": key, "prompt": prompt, "role": role, "capabilities": capabilities, "payload": payload, "on_line": on_line}]
     res = await _race(ctx.topic, label, slots, 1, timeout, ctx.provider, cancelled=ctx.is_cancelled)
     if ctx.is_cancelled():
         return CANCELLED, None

backend/routes.py

@@ -164,7 +164,7 @@ async def create_blocks(req: BlocksCreateRequest):
                 raise HTTPException(400, "Link must start with http:// or https://.")
         qp.parent.mkdir(parents=True, exist_ok=True)
         atomic_write_json(qp, {"type": type, "location": location, "spec": req.instructions.strip()})
-    asyncio.create_task(generate_blocks(topic, req.instructions.strip(), req.provider, ab_phase=req.ab_phase, ab_step=req.ab_step, to_step=req.to_step))
+    asyncio.create_task(generate_blocks(topic, req.instructions.strip(), req.provider, ab_phase=req.ab_phase, ab_step=req.ab_step, to_step=req.to_step, research=req.research))
     return {"ok": True}
 
 
@@ -231,6 +231,28 @@ async def get_blocks_uebersicht(topic: str):
     return await load_overview(topic)
 
 
+@router.get("/blocks/kanban")
+async def get_kanban_board(topic: str):
+    """Live card counts per kanban column (empty dict when the streaming inventory is not in use)."""
+    import database as db
+    return await db.kanban_stage_counts(topic)
+
+
+@router.get("/blocks/agents")
+async def get_active_agents(topic: str):
+    """Currently running agents for this topic + their runtime (seconds). Label = key minus prefix."""
+    from agents import active_agents
+    prefix = f"blocks-{topic}-"
+    return [{"label": a["key"][len(prefix):], "runtime": a["runtime"]} for a in active_agents(prefix)]
+
+
+@router.post("/blocks/research")
+async def add_research(topic: str):
+    """Attach one more research agent to the running kanban flow (live breadth boost)."""
+    from kanban import add_research_agent
+    return {"started": add_research_agent(topic)}
+
+
 @router.get("/blocks/question-pattern")
 async def get_question_pattern(topic: str, block: str):
     """Unlocked question patterns of a block (up to the current level; empty = live)."""

frontend/src/App.vue

@@ -224,12 +224,12 @@ async function handleResetFromStep(step) {
   await loadBlocks()
 }
 
-async function handleBlocksClick({ instructions, abPhase = null, abStep = null, toStep = null }) {
+async function handleBlocksClick({ instructions, abPhase = null, abStep = null, toStep = null, research = true }) {
   if (!selectedTopic.value) return
   uiError.value = null
   try {
     // Source is already fixed here; abPhase/abStep set the start, toStep an optional end limit.
-    await apiCreateBausteine(selectedTopic.value, instructions, provider.value, undefined, undefined, abPhase, abStep, toStep)
+    await apiCreateBausteine(selectedTopic.value, instructions, provider.value, undefined, undefined, abPhase, abStep, toStep, research)
   } catch (e) {
     uiError.value = e.message
     return
@@ -424,7 +424,7 @@ onMounted(async () => {
       @close="mainView = 'detail'"
       @restartFrom="(r) => handleBlocksClick({ instructions: '', abStep: r.from, toStep: r.to })"
       @resetFrom="handleResetFromStep"
-      @restartAll="() => handleBlocksClick({ abPhase: blocks.ready ? 1 : null })"
+      @restartAll="(o) => handleBlocksClick({ research: o?.research ?? false })"
       @removeAll="handleResetBlocks"
       @cancel="handleCancelBlocks"
     />

frontend/src/api.js

@@ -47,11 +47,11 @@ export async function fetchBlocksStatus(topic) {
   return res.json()
 }
 
-export async function createBlocks(topic, instructions = '', provider = 'claude', sourceType = 'thema', sourceOrt = '', abPhase = null, abStep = null, toStep = null) {
+export async function createBlocks(topic, instructions = '', provider = 'claude', sourceType = 'thema', sourceOrt = '', abPhase = null, abStep = null, toStep = null, research = true) {
   const res = await fetch(`${BASE}/blocks`, {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ topic, instructions, provider, source_type: sourceType, source_location: sourceOrt, ab_phase: abPhase, ab_step: abStep, to_step: toStep }),
+    body: JSON.stringify({ topic, instructions, provider, source_type: sourceType, source_location: sourceOrt, ab_phase: abPhase, ab_step: abStep, to_step: toStep, research }),
   })
   return jsonOrThrow(res)
 }
@@ -147,6 +147,24 @@ export async function fetchBlocksOverview(topic) {
   return jsonOrThrow(res)
 }
 
+// Live card counts per kanban column ({} when the streaming inventory is not in use).
+export async function fetchKanban(topic) {
+  const res = await fetch(`${BASE}/blocks/kanban?topic=${encodeURIComponent(topic)}`)
+  return jsonOrThrow(res)
+}
+
+// Currently running agents for a topic + their runtime in seconds.
+export async function fetchAgents(topic) {
+  const res = await fetch(`${BASE}/blocks/agents?topic=${encodeURIComponent(topic)}`)
+  return jsonOrThrow(res)
+}
+
+// Attach one more research agent to the running kanban flow.
+export async function addResearch(topic) {
+  const res = await fetch(`${BASE}/blocks/research?topic=${encodeURIComponent(topic)}`, { method: 'POST' })
+  return jsonOrThrow(res)
+}
+
 export async function cancelGuide(id) {
   await fetch(`${BASE}/guides/${id}/cancel`, { method: 'POST' })
 }

frontend/src/components/BlocksOverview.vue

@@ -1,6 +1,6 @@
 <script setup>
-import { ref, computed, watch } from 'vue'
-import { fetchBlocksOverview } from '../api.js'
+import { ref, computed, watch, onUnmounted } from 'vue'
+import { fetchBlocksOverview, fetchKanban, fetchAgents, addResearch } from '../api.js'
 
 const props = defineProps({
   topic: { type: String, required: true },
@@ -12,6 +12,39 @@ const props = defineProps({
 })
 const emit = defineEmits(['close', 'restartFrom', 'resetFrom', 'restartAll', 'removeAll', 'cancel'])
 
+// Live kanban board (streaming inventory). Ordered columns + their card counts.
+const KANBAN_COLS = [
+  ['merge', 'Merge'], ['chain', 'Chain'], ['chain_verify', 'Verify'], ['naming', 'Naming'],
+  ['naming_verify', 'Name✓'], ['chain_filter', 'Filter'], ['filter_verify', 'Filter✓'],
+  ['block_assemble', 'Block'], ['small_blocks', 'Small'], ['small_verify', 'Small✓'],
+  ['dependency', 'Dep'], ['dependency_verify', 'Dep✓'], ['main', 'Main'], ['done_block', 'Done'],
+]
+const kanban = ref({})
+const agents = ref([])
+const kanbanCols = computed(() => KANBAN_COLS.map(([k, label]) => ({ key: k, label, n: kanban.value[k] || 0 })))
+const kanbanActive = computed(() => Object.values(kanban.value).some((n) => n > 0))
+function fmtRuntime(s) {
+  const m = Math.floor(s / 60), sec = Math.floor(s % 60)
+  return `${m}:${String(sec).padStart(2, '0')}`
+}
+const researchBusy = ref(false)
+async function moreResearch() {
+  researchBusy.value = true
+  try { await addResearch(props.topic) } catch { /* ignore */ }
+  setTimeout(() => { researchBusy.value = false }, 800)  // brief debounce against double-clicks
+}
+let kanbanTimer = null
+async function pollKanban() {
+  try { kanban.value = await fetchKanban(props.topic) } catch { /* ignore */ }
+  try { agents.value = await fetchAgents(props.topic) } catch { /* ignore */ }
+}
+watch(() => [props.topic, props.generating], () => {
+  clearInterval(kanbanTimer)
+  pollKanban()
+  if (props.generating) kanbanTimer = setInterval(pollKanban, 1000)
+}, { immediate: true })
+onUnmounted(() => clearInterval(kanbanTimer))
+
 // Group sub-steps by phase, carrying the global index for the re-run.
 const phaseGroups = computed(() => {
   const out = []
@@ -47,7 +80,11 @@ function arm(action, fn) {
   if (confirm.value === action) { confirm.value = null; fn() }
   else confirm.value = action
 }
-function regenerateFromHere() { const from = startSel.value, to = endSel.value; clearSel(); emit('restartFrom', { from, to }) }
+// regenerate: re-run ONLY the picked step(s). No end → bound to the start itself (single step);
+// with an end → the whole [start, end] range. Later steps stay intact (bounded reset).
+function regenerateFromHere() { const from = startSel.value, to = endSel.value ?? startSel.value; clearSel(); emit('restartFrom', { from, to }) }
+// continue: run from the start point straight through to the end of the pipeline (full cascade).
+function continueFromHere() { const from = startSel.value; clearSel(); emit('restartFrom', { from, to: null }) }
 function deleteFromHere() { const from = startSel.value; clearSel(); emit('resetFrom', from) }
 
 const items = ref([])
@@ -109,7 +146,8 @@ const subTotal = computed(() => items.value.reduce((n, b) => n + (b.subblocks?.l
       <div class="bk-steps-top">
         <div v-if="progress" class="bk-progress"><span class="bk-progress-dot"></span>{{ progress }}</div>
         <div v-if="!generating" class="bk-global-actions">
-          <button class="bk-act play" @click="emit('restartAll')">{{ partial ? 'Continue' : ready ? 'Regenerate' : 'Generate' }}</button>
+          <button class="bk-act play" @click="emit('restartAll', { research: false })" title="Process the existing queue — search no new topics">Continue</button>
+          <button class="bk-act play" @click="emit('restartAll', { research: true })" title="Start one research agent and process the queue">+ Research</button>
           <button
             v-if="ready || partial"
             class="bk-act danger"
@@ -118,9 +156,22 @@ const subTotal = computed(() => items.value.reduce((n, b) => n + (b.subblocks?.l
           >{{ confirm === 'remove' ? 'Sure?' : 'Remove' }}</button>
         </div>
         <div v-else class="bk-global-actions">
+          <button class="bk-act play" :disabled="researchBusy" @click="moreResearch" title="Start one more research agent">+ Research</button>
           <button class="bk-act danger" @click="emit('cancel')">Cancel</button>
         </div>
       </div>
+      <div v-if="generating || kanbanActive" class="bk-kanban">
+        <div v-for="c in kanbanCols" :key="c.key" class="bk-kcol" :class="{ 'bk-kactive': c.n > 0 }">
+          <span class="bk-kcount">{{ c.n }}</span>
+          <span class="bk-klabel">{{ c.label }}</span>
+        </div>
+      </div>
+      <div v-if="agents.length" class="bk-agents">
+        <span class="bk-agents-label">{{ agents.length }} Agenten aktiv:</span>
+        <span v-for="a in agents" :key="a.label" class="bk-agent">
+          {{ a.label }} <span class="bk-agent-time">{{ fmtRuntime(a.runtime) }}</span>
+        </span>
+      </div>
       <div class="bk-phasen">
         <div v-for="g in phaseGroups" :key="g.phase" class="bk-phase">
           <span class="bk-phase-label">{{ g.phase }}</span>
@@ -139,7 +190,8 @@ const subTotal = computed(() => items.value.reduce((n, b) => n + (b.subblocks?.l
       </div>
       <div v-if="startSel !== null && !generating" class="bk-step-actions">
         <span class="bk-step-actions-label">From «{{ startLabel }}»<span v-if="endSel !== null"> to «{{ endLabel }}»</span>:</span>
-        <button class="bk-act play" @click="regenerateFromHere">↻ regenerate</button>
+        <button class="bk-act play" @click="regenerateFromHere" :title="endSel === null ? 'Re-run only this step; later steps stay' : 'Re-run every step in the range; later steps stay'">↻ regenerate {{ endSel === null ? 'step' : 'range' }}</button>
+        <button v-if="endSel === null" class="bk-act" @click="continueFromHere" title="Run from here through to the end">▶ continue</button>
         <button class="bk-act danger" :class="{ armed: confirm === 'reset' }" @click="arm('reset', deleteFromHere)">{{ confirm === 'reset' ? 'Sure?' : '✕ delete all' }}</button>
         <button class="bk-act ghost" @click="clearSel">Cancel</button>
       </div>
@@ -269,6 +321,28 @@ const subTotal = computed(() => items.value.reduce((n, b) => n + (b.subblocks?.l
 /* Header: progress left, global buttons right */
 .bk-steps-top { display: flex; align-items: center; gap: 1rem; min-height: 1.9rem; margin-bottom: 0.7rem; }
 .bk-steps-top .bk-progress { margin-bottom: 0; }
+
+/* Live kanban board (streaming inventory) */
+.bk-kanban { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.7rem; }
+.bk-kcol {
+  display: flex; flex-direction: column; align-items: center; gap: 1px;
+  min-width: 3.1rem; padding: 0.3rem 0.4rem;
+  border: 1px solid var(--border-strong); border-radius: 6px; background: var(--panel);
+}
+.bk-kcol.bk-kactive { border-color: var(--accent); background: var(--accent-soft); }
+.bk-kcount { font-size: 0.95rem; font-weight: 700; color: var(--text); }
+.bk-kactive .bk-kcount { color: var(--accent); }
+.bk-klabel { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-faint); }
+
+/* Running agents + live runtime */
+.bk-agents { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem 0.5rem; margin-bottom: 0.7rem; font-size: 0.78rem; }
+.bk-agents-label { color: var(--text-muted); font-weight: 600; }
+.bk-agent {
+  display: inline-flex; align-items: center; gap: 0.35rem;
+  padding: 0.12rem 0.5rem; border: 1px solid var(--accent); border-radius: 10px;
+  background: var(--accent-soft); color: var(--text);
+}
+.bk-agent-time { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--accent); }
 .bk-global-actions { margin-left: auto; display: flex; gap: 0.4rem; }
 
 /* Action bar for the selected start point */

templates/Prompt/Blocks-Dependency.md

@@ -0,0 +1,17 @@
+A small block for the topic "{topic}" may be a sub-topic of a bigger block. Pick the ONE block it belongs under — or 0 if it stands on its own after all.
+
+SMALL BLOCK:
+{small}
+
+CANDIDATE PARENT BLOCKS:
+{parents}
+
+Rules:
+- Pick the number of the block the small block is a detail/sub-step/property of.
+- 0 = it is NOT a sub-topic of any of them (it is actually standalone).
+- Only pick a parent if the small block clearly belongs INSIDE it.
+
+Write ONLY the JSON file to: {out_path}
+
+Format (the chosen parent number, or 0):
+{{"parent": 0}}

templates/Prompt/Blocks-Filter-Check.md

@@ -0,0 +1,23 @@
+You are filtering the block inventory of a learning guide for the topic "{topic}". Judge the ONE block below.
+
+BLOCK:
+{title} — {content}
+
+## Question
+Is this a **valid, self-contained learning block** that genuinely belongs to "{topic}"?
+
+- **keep = true** → a real, teachable concept of this topic: a method, definition, syntax element, problem, rule, or feature. The default.
+- **keep = false** → drop it, ONLY if it clearly is one of:
+  - **Off-topic**: not actually about "{topic}" (a stray crawl artifact, a different subject).
+  - **Noise / meta**: navigation, "Table of Contents", "Dos and Don'ts", a tool/website name, a page section — not a concept you would learn.
+  - **Empty / degenerate**: title says nothing teachable, or the content is a non-statement.
+
+## Rules
+- When in doubt → **keep** (true). Only drop a CLEAR off-topic / noise / empty case.
+- Judge by the CONTENT (after the "—"), not only the title.
+- Do NOT drop something just because it is narrow or overlaps another block — that is handled elsewhere. Drop only off-topic / noise / empty.
+
+Write ONLY the JSON file to: {out_path}
+
+Format:
+{{"keep": true}}

templates/Prompt/Blocks-Naming-Check.md

@@ -0,0 +1,15 @@
+The numbered entries below all describe the SAME block for the topic "{topic}". Entry number {current} was chosen as the canonical title. Check whether that is the best choice — if another entry is a clearly better canonical name, pick it instead.
+
+MEMBERS:
+{members}
+
+Rules:
+- Pick an EXISTING entry number — do NOT invent a title.
+- Best = most concrete, precise, self-explanatory, established term for the shared concept.
+- If the current choice ({current}) is already the best, return it unchanged.
+- When in doubt, keep the current choice.
+
+Write ONLY the JSON file to: {out_path}
+
+Format (the best member number, nothing else):
+{{"best": {current}}}

templates/Prompt/Blocks-Naming.md

@@ -0,0 +1,15 @@
+The numbered entries below all describe the SAME block (concept) for the topic "{topic}", just worded differently. Pick the ONE entry whose title is the best canonical name for this block.
+
+MEMBERS:
+{members}
+
+Rules:
+- Pick an EXISTING entry — do NOT invent a new title or umbrella term.
+- Prefer the most CONCRETE, precise, self-explanatory title for the shared concept.
+- Prefer the established/standard term (correct spelling, full form over cryptic abbreviation) — but stay concrete, never over-general.
+- Avoid reference/placeholder titles ("Satz 7.18", "Punkt 3", "(**)") if a meaningful one exists.
+
+Write ONLY the JSON file to: {out_path}
+
+Format (the chosen member number, nothing else):
+{{"best": 1}}

templates/Prompt/Blocks-Paar-Filter.md

@@ -1,18 +1,23 @@
-Two research passes have noted blocks for the topic "{topic}". For EACH pair, decide whether A and B denote the SAME block (the same concept, just worded differently) → **ja**, or whether they are TWO DIFFERENT blocks → **nein**.
+Research has noted block candidates for the topic "{topic}". For EACH pair, decide whether A and B denote the SAME block (the same concept, just worded differently) → **ja**, or whether they are TWO DIFFERENT blocks → **nein**.
 
 PAIRS:
 {pairs}
 
 Rules:
-- **Watch the CORE ENTITY first** (the problem/object in question): Clique, Vertex Cover, Independent Set, Dominating Set, Set Cover, FVS, Knapsack … If the entities are DIFFERENT → **nein**, no matter how identical the phrasing.
-- Identical phrasing is deceptive. These pairs are **nein** (different entity despite nearly identical wording):
-  - "Lower Bound **Clique** bzgl. Knoten" ↔ "Lower Bound **Vertex Cover** bzgl. Knoten"
-  - "Lower Bound Clique bzgl. **Knoten**" ↔ "Lower Bound Clique bzgl. **Kanten**"
-  - "Verifizierer für **FVS**" ↔ "Verifizierer für **Knapsack**"
-  - "**Cliquenproblem**" ↔ "**Vertex-Cover-Problem**"
-- **ja** only on genuine semantic equivalence: same solution to the same problem, the same entity, just different wording/naming (e.g. "SET COVER" ↔ "Mengenüberdeckungsproblem", "Cliquenproblem" ↔ "k-CLIQUE", "List Scheduling" ↔ "LPT-Algorithmus").
-- **nein** also for different aspects of the same problem: "Set Cover (Problem)" ↔ "Set Cover ETH-Schranke"; a problem ↔ its reduction to another; a problem ↔ its verifier.
-- When in doubt **nein** — better two separate blocks than wrongly merging two concepts.
+- **Watch the CORE ENTITY first** (the object/concept/operation in question). If the entities are DIFFERENT → **nein**, no matter how identical the phrasing. Examples of **nein** despite near-identical wording:
+  - "Plugin-**Lebenszyklus**" ↔ "App-**Lebenszyklus**" (different object: Plugin vs App)
+  - "**install()**-Methode" ↔ "**uninstall()**-Methode" (different operation)
+  - "Lower Bound **Clique**" ↔ "Lower Bound **Vertex Cover**" (different problem)
+  - "Present **Perfect**" ↔ "Past **Perfect**" (different tense)
+- **ja** ONLY on genuine semantic equivalence: the same concept/operation, just different wording, naming, language or abbreviation. Examples:
+  - "EntityRepository" ↔ "Repository für CRUD-Operationen am DAL"
+  - "Set Cover" ↔ "Mengenüberdeckungsproblem"
+  - "List Scheduling" ↔ "LPT-Algorithmus"
+- **nein** for different ASPECTS, properties, parts or methods of the same thing — they are their own blocks (a later step folds true fragments back in):
+  - a concept ↔ one of its properties/details ("DAL" ↔ "DAL-Versionierung")
+  - a concept ↔ a single method/step of it ("Plugin-Lebenszyklus" ↔ "install()-Methode")
+  - a thing ↔ its sub-component, its verifier, its reduction to another thing
+- When in doubt → **nein**. Better two separate blocks than wrongly merging two concepts.
 
 Write ONLY the JSON file to: {out_path}
 

templates/Prompt/Blocks-Research.md

@@ -17,7 +17,8 @@ Rules:
 - Write title and description in GERMAN (technical terms/code identifiers stay original).
 - Description at most ~12 words.
 
-Write ONLY the Markdown file to: {blocks_path}
+Write the Markdown file to: {blocks_path}
+**Stream INCREMENTALLY — your output is read LIVE while you work.** The MOMENT you find a block: (1) print its line in your reply, AND (2) re-write the file with all blocks so far. One line per block, immediately, do NOT wait until the end. Cards appear as soon as a line lands.
 
 Format: EXACTLY one line per block: `N. Title — Kurzbeschreibung — Source`
 The source (3rd segment) MUST be the exact file name or URL of the crawl page the block comes from — it drives the coverage check.

templates/Prompt/Blocks-Small.md

@@ -0,0 +1,15 @@
+Below are block candidates for the topic "{topic}". For EACH, decide whether it is a STANDALONE learning block or a SMALL fragment.
+
+BLOCKS:
+{blocks}
+
+Rules:
+- small = true → a property, detail, sub-step or notation that only makes sense inside another block
+  (e.g. "install() method" belongs to "Plugin lifecycle"; "Knapsack ∈ NP" belongs to "Knapsack").
+- small = false → a self-contained learning unit (its own problem/method/concept).
+- When in doubt → false (keep as a main block).
+
+Write ONLY the JSON file to: {out_path}
+
+Format (each block number → true/false):
+{{"small": {{"1": true, "2": false}}}}