Repo map

src/core/agents/agent-bus.ts [R:12]
  +AgentBus -- Shared coordination bus for parallel subagent communication
  +acquireFileRead -- Lock-free file read with cache and waiter pattern
  +SharedCache -- Pre-seeded cache for warm agent starts
   FileCacheEntry

Prompt: "One-line summary of what this symbol does."
Input: { name: "AgentBus", kind: "class", signature: "class AgentBus { ... }" }
Output: "Shared coordination bus for parallel subagent communication"

Tool calls edit_file / write_file
    |
emitFileEdited(absPath)
    |
ContextManager.onFileChanged(absPath)
    |
RepoMap.onFileChanged(absPath)
    |
Mark file dirty -> debounced re-index (500ms)
    |
Re-extract symbols + edges -> recompute PageRank
    |
Clear repo map render cache
    |
Next system prompt gets updated ranking

CREATE TABLE files (
  id INTEGER PRIMARY KEY,
  path TEXT UNIQUE NOT NULL,
  mtime_ms REAL NOT NULL,
  language TEXT NOT NULL,
  line_count INTEGER NOT NULL DEFAULT 0,
  symbol_count INTEGER NOT NULL DEFAULT 0,
  pagerank REAL NOT NULL DEFAULT 0
);

CREATE TABLE symbols (
  id INTEGER PRIMARY KEY,
  file_id INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
  name TEXT NOT NULL,
  kind TEXT NOT NULL,
  line INTEGER NOT NULL,
  signature TEXT,
  is_exported INTEGER NOT NULL DEFAULT 0
);

CREATE TABLE edges (
  source_file_id INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
  target_file_id INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
  weight REAL NOT NULL DEFAULT 1.0,
  PRIMARY KEY (source_file_id, target_file_id)
);

CREATE TABLE cochanges (
  file_id_a INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
  file_id_b INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
  count INTEGER NOT NULL DEFAULT 1,
  PRIMARY KEY (file_id_a, file_id_b)
);

CREATE TABLE semantic_summaries (
  symbol_id INTEGER PRIMARY KEY REFERENCES symbols(id) ON DELETE CASCADE,
  summary TEXT NOT NULL,
  file_mtime REAL NOT NULL
);

-- FTS5 for conversation-term matching
CREATE VIRTUAL TABLE symbols_fts USING fts5(name, content=symbols, content_rowid=id);