first commit

2026-02-11 14:15:08 +01:00
parent a4742c2c38
commit aa7d362bc3
58 changed files with 9999 additions and 0 deletions
--- a/src/Controller/AskSseController.php
+++ b/src/Controller/AskSseController.php
@@ -0,0 +1,115 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller;
+
+use App\Agent\AgentRunner;
+use App\Http\ClientIdResolver;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+use Symfony\Component\Routing\Annotation\Route;
+
+final readonly class AskSseController
+{
+    public function __construct(
+        private AgentRunner      $agentRunner,
+        private ClientIdResolver $clientIdResolver,
+    ) {}
+
+    #[Route('/ask-sse', name: 'ask_sse', methods: ['POST'])]
+    public function stream(Request $request): StreamedResponse
+    {
+        $data   = json_decode($request->getContent(), true);
+        $prompt = trim((string) ($data['prompt'] ?? ''));
+
+        $cookieResponse = new Response();
+        $clientId = $this->clientIdResolver->resolve($request, $cookieResponse);
+
+        return new StreamedResponse(
+            function () use ($prompt, $clientId, $cookieResponse): void {
+
+                // ---------------------------------------------------------
+                // Disable all PHP output buffering
+                // ---------------------------------------------------------
+                while (ob_get_level() > 0) {
+                    ob_end_flush();
+                }
+
+                // ---------------------------------------------------------
+                // Forward cookies
+                // ---------------------------------------------------------
+                foreach ($cookieResponse->headers->getCookies() as $cookie) {
+                    header('Set-Cookie: ' . $cookie, false);
+                }
+
+                // ---------------------------------------------------------
+                // SSE prelude
+                // ---------------------------------------------------------
+                echo "retry: 3000\n\n";
+                flush();
+
+                if ($prompt === '') {
+                    $this->sendEvent('error', 'Empty prompt');
+                    return;
+                }
+
+                // ---------------------------------------------------------
+                // 🔥 FIXED: Sende Chunks direkt (behält \n!)
+                // ---------------------------------------------------------
+                foreach ($this->agentRunner->run($prompt, $clientId) as $chunk) {
+                    // Normalize line endings
+                    $chunk = str_replace(["\r\n", "\r"], "\n", $chunk);
+
+                    // Sende Chunk direkt mit \n
+                    $this->sendData($chunk);
+                }
+
+                // ---------------------------------------------------------
+                // Signal completion
+                // ---------------------------------------------------------
+                $this->sendEvent('done', '[DONE]');
+            },
+            200,
+            [
+                'Content-Type'      => 'text/event-stream; charset=utf-8',
+                'Cache-Control'     => 'no-cache, no-store, must-revalidate',
+                'Connection'        => 'keep-alive',
+                'X-Accel-Buffering' => 'no',
+            ]
+        );
+    }
+
+    /**
+     * FIXED: Behält Markdown-Struktur (\n) bei
+     *
+     * SSE erlaubt mehrere "data:"-Zeilen pro Event.
+     * Jede Zeile wird als separate data-Zeile gesendet.
+     */
+    private function sendData(string $data): void
+    {
+        // Split by \n und sende jede Zeile einzeln
+        $lines = explode("\n", $data);
+
+        foreach ($lines as $line) {
+            echo 'data: ' . $line . "\n";
+        }
+
+        // Leere Zeile = Ende der SSE-Message
+        echo "\n\n";
+        flush();
+    }
+
+    /**
+     * Sends a named SSE event.
+     */
+    private function sendEvent(string $event, string $data): void
+    {
+        $safe = str_replace(["\r", "\n"], ' ', $data);
+
+        echo "event: {$event}\n";
+        echo "data: {$safe}\n\n";
+        flush();
+    }
+}