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Repo-map context artifact: tree-sitter + ranked digest injected into threads #274
Description
Inspired by aider's repo-map (tree-sitter tags across the repo, PageRank-ranked, compressed to ~1k tokens).
Generate a per-worktree ranked symbol/structure digest and offer it as a standard context artifact for threads (especially new workers and handoffs, where the agent knows nothing about the codebase). Refresh on file changes. Pairs with the repo wiki issue as the cheap, mechanical layer underneath the prose.
Activity
currentbits commentedon Aug 17, 2026
Research note (CodeScaleBench, 1,281 runs): agents barely call powerful retrieval tools even when available (57 deep-search calls in 602 MCP runs) — inject the artifact AND steer usage with explicit when-to-use instructions in the system prompt. Also: do not build the index for repos under ~400K LOC; grep wins there.
currentbits commentedon Oct 9, 2026
Shipped (#377):
electron/codeindex.jsbuilds a ranked per-repo symbol digest injected into threads (services-notes.js:449). It is line-based rather than tree-sitter, which is fine. Closing in the 2026-10-09 board cleanup (#1532).