patch 17d

src/Knowledge/Retrieval/NdjsonChunkLookup.php

@@ -272,6 +272,12 @@ final readonly class NdjsonChunkLookup
     /**
      * Allows prompts such as "Testomat CAL" to resolve a document titled
      * "Testomat 2000 CAL" without also allowing conflicting model numbers.
+     *
+     * This is deliberately limited to titles with at least two non-numeric
+     * anchors and at least one numeric title token. A prompt with its own
+     * numeric token must match one of the title's numeric tokens; otherwise a
+     * user asking for e.g. "Testomat 808 CAL" could incorrectly resolve to
+     * "Testomat 2000 CAL".
      */
     private function isConfidentTitleTokenMatchAllowingMissingNumeric(string $normalizedPrompt, string $normalizedTitle): bool
     {