ManSio · Oct 25, 2026 · Oct 25, 2026 · Oct 25, 2026 · Oct 25, 2026 · Oct 25, 2026
diff --git a/.env.example b/.env.example
@@ -297,3 +297,22 @@
 # Опциональный слой tree-sitter-language-pack: +56 языков с tags.scm (symbol extraction).
 # Парсеры скачиваются при первом использовании (нужна сеть); queries встроены в пакет.
 # Установка: pip install tree-sitter-language-pack  (extra: mscodebase-intelligence[language-pack])
+
+# ─── Phase 3: vector-free search (SQLite/FTS5 + on-demand rerank) ───
+# EN: Chunk text/metadata live in <project>/.mscodebase/chunks.db (SQLite FTS5).
+#     No vectors are stored; top-N candidates are embedded live at query time.
+# RU: Текст/метаданные чанков живут в <project>/.mscodebase/chunks.db (SQLite FTS5).
+#     Векторы не хранятся; top-N кандидатов эмбеддятся на лету в момент запроса.
+# MSCODEBASE_SQLITE_CHUNKS=true
+# MSCODEBASE_DENSE_OFF=true
+# MSCODEBASE_ONDEMAND_RERANK=true
+# MSCODEBASE_ONDEMAND_RERANK_TOP_N=10
+# MSCODEBASE_ONDEMAND_RERANK_MAX_CHARS=0
+# MSCODEBASE_AUGMENT_CHUNKS=true
+# MSCODEBASE_DEMOTE_NON_CODE=true
+# E33: demote tests/docs/experiments/fixtures in the fused pool (×0.3).
+# MSCODEBASE_P3_ANCHOR=false
+# E36-audit: P3 module-head anchors only with a reranker; without one +96 ms, no quality gain.
+# MSCODEBASE_CODE_BM25=false
+# E32: code-aware BM25 (identifier split, field boosts, proper k1/b).
+# MSCODEBASE_CHUNKS_DB=  # optional override; default <project>/.mscodebase/chunks.db
diff --git a/AGENT_DIARY.md b/AGENT_DIARY.md
diff --git a/EXPERIMENTS_LOG.md b/EXPERIMENTS_LOG.md
diff --git a/KNOWN_ISSUES.md b/KNOWN_ISSUES.md
diff --git a/README.md b/README.md
diff --git a/docs/archive/KNOWN_ISSUES_2026_10.md b/docs/archive/KNOWN_ISSUES_2026_10.md
diff --git a/docs/en/ARCHITECTURE.md b/docs/en/ARCHITECTURE.md
diff --git a/docs/en/ARCHITECTURE_DEEP.md b/docs/en/ARCHITECTURE_DEEP.md
@@ -4,9 +4,14 @@
 
 > **Version:** v3.5.0 | **Last updated:** 2026-08-12
 
+> **Phase 3 status (2026-10-25):** default is text-first (SQLite FTS5/BM25 +
+> PropertyGraph); vector/LanceDB and phi-4 `ask` mode are optional. This is a
+> historical deep-dive; current contract and limits are in
+> [README.md](../../README.md).
+
 ```mermaid
 flowchart TD
-    User[User / AI Agent] --> MCP[MCP Server\n61 tools]
+    User[User / AI Agent] --> MCP[MCP Server\n64 tools]
     MCP --> DI[DI Container\n15+ services]
     DI --> Search[Search Pipeline]
     DI --> Index[Indexing Pipeline]
@@ -207,7 +212,7 @@ sequenceDiagram
     end
 
     DI-->>MCP: Container ready
-    MCP->>MCP: Register 61 tools
+    MCP->>MCP: Register 64 tools
     MCP-->>Zed: Server ready (PID announced)
 
     Note over Zed,DB: Total startup: ~2-5s (async embedder init)

diff --git a/docs/en/CONTRIBUTING.md b/docs/en/CONTRIBUTING.md
@@ -19,7 +19,7 @@ pip install -r requirements.txt
 pip install -e "."
 ```
 
-Requirements: Python 3.10+, Windows (primary) or Linux (experimental).
+Requirements: Python 3.14+, Windows (primary) or Linux (experimental).
 
 ---
 

diff --git a/docs/en/INSTALL.md b/docs/en/INSTALL.md
@@ -6,9 +6,13 @@
 
 [🇬🇧 English](INSTALL.md) • [🇷🇺 Русский](../ru/INSTALL.md) • [🇨🇳 中文](../zh/INSTALL.md)
 
-> **MSCodebase Intelligence** — MCP server for semantic code search in Zed IDE.
+> **MSCodebase Intelligence** — MCP server for local code intelligence in Zed IDE.
 > Runs as a Zed extension. Development in `<repo-root>`.
 
+> **Phase 3 note (2026-10-25):** the default install is text-first
+> (SQLite FTS5/BM25 + PropertyGraph). Model downloads and the vector path are
+> optional; LanceDB is legacy/optional, not the default retrieval store.
+
 ---
 
 ## 🔧 System Requirements
-Original file line number
+Diff line change
@@ Expand Up / @@ -19,7 +19,7 @@ pip install -r requirements.txt @@
     pip install -e "."
     ```
-    Requirements: Python 3.10+, Windows (primary) or Linux (experimental).
+    Requirements: Python 3.14+, Windows (primary) or Linux (experimental).
     ---
@@ Expand Down @@