docs(conductor): Synchronize docs for track 'Deep AST-Driven Context Pruning'

conductor/tech-stack.md

@@ -31,8 +31,7 @@
 
 - **src/paths.py:** Centralized module for path resolution, allowing directory paths (logs, conductor, scripts) to be configured via `config.toml` or environment variables, eliminating hardcoded filesystem dependencies.
 
-- **ast (Standard Library):** For deterministic AST parsing and automated generation of curated "Skeleton Views"
- (signatures and docstrings) to minimize context bloat for sub-agents.
+- **tree-sitter / AST Parsing:** For deterministic AST parsing and automated generation of curated "Skeleton Views" and "Targeted Views" (extracting specific functions and their dependencies). Features an integrated AST cache with mtime-based invalidation to minimize re-parsing overhead.
 - **pydantic / dataclasses:** For defining strict state schemas (Tracks, Tickets) used in linear orchestration.
 - **tomli-w:** For writing TOML configuration files.
 - **tomllib:** For native TOML parsing (Python 3.11+).