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Changelog

0.4.0

  • read_many augmentation — batch file reads now trigger per-file labeled graph context. When the agent reads multiple files at once via read_many, each code file in the batch (up to 5) is looked up in the knowledge graph and returned as a separate ### filename section, so the agent always knows which context belongs to which file.

0.3.1

  • Package metadata — added repository, homepage, and bugs fields.

0.3.0

  • Configurable command — the gitnexus binary invocation is now configurable. Default is gitnexus on PATH. Use /gitnexus config to set a custom command (e.g. npx gitnexus@latest) via an input dialog; the value is persisted to ~/.pi/pi-gitnexus.json. The --gitnexus-cmd CLI flag overrides the saved config for one-off runs. Nothing is ever installed automatically.
  • TypeScript compatibility — tool_result handler now uses inferred event types from the API overload instead of a manual annotation, fixing a compile error with @mariozechner/pi-coding-agent 0.54.x.
  • Dependency updates — @mariozechner/pi-coding-agent to 0.54.2, @types/node to 25.x.

0.2.0

Features

  • read tool augmentation — file reads now trigger augmentation. When the agent reads a code file (.sol, .ts, .go, etc.), the filename is used as the lookup pattern to get callers/callees for that file's symbols.
  • Bash cat/head/tail support — extractPattern now handles cat file.sol, head file.sol, etc. alongside grep/rg/find.
  • Multi-pattern augmentation — each tool result now augments up to 3 patterns in parallel: the primary pattern from the tool input, plus filenames extracted from grep output lines (path/file.sol:line:). Results are merged into a single [GitNexus] block.
  • Session dedup cache — each symbol/filename is augmented at most once per session, preventing redundant lookups when the agent repeatedly searches for the same thing.

Fixes

  • Auto-augment now works — gitnexus augment writes its output to stderr, not stdout. runAugment was capturing stdout only, so every augmentation returned empty. Fixed by reading from stderr (stdio: ['ignore', 'ignore', 'pipe']).
  • Regex patterns cleaned before augment — grep/rg patterns like \bwithdraw\s*\( are stripped of regex metacharacters before passing to gitnexus augment, which expects a plain symbol name.
  • gitnexus_query limit raised — max limit parameter increased from 20 to 100. The agent was hitting validation errors when requesting more results.
  • Status counters — /gitnexus status now shows searches intercepted and enrichment count for observability.

0.1.0

Initial release.

Features

  • Auto-augment hook — intercepts grep, find, and bash tool results and appends knowledge graph context (callers, callees, execution flows) via gitnexus augment. Mirrors the Claude Code plugin's PreToolUse integration.
  • Five registered tools — gitnexus_list_repos, gitnexus_query, gitnexus_context, gitnexus_impact, gitnexus_detect_changes available to the agent with zero setup.
  • stdio MCP client — tools communicate with gitnexus mcp over a stdin/stdout pipe (no network socket, no port). Process is spawned lazily and kept alive for the session.
  • System prompt hint — when an index is present, appends a one-liner to the agent's system prompt so it understands graph context and knows to use the tools.
  • Session lifecycle — on session start/switch: resolves full shell PATH (nvm/fnm/volta), probes binary, checks index, notifies status. MCP process restarted on session switch.
  • /gitnexus command with subcommands: status, analyze, on, off, query, context, impact, <pattern>, help.
  • /gitnexus analyze — runs gitnexus analyze from within pi with start/completion notifications. Auto-augment is paused for the duration to avoid stale index results.
  • Toggle — /gitnexus on / /gitnexus off enables/disables auto-augment without affecting tools. Resets to enabled on session switch.
  • Shell PATH resolution — spawns $SHELL -lc 'echo $PATH' on session start so nvm/fnm/volta-managed binaries are found when pi is launched as a GUI app.
  • Path traversal guard — gitnexus_context file parameter validated to stay within cwd before passing to the MCP server.
  • Graceful failure — every code path (augment timeout, MCP spawn error, binary missing) returns empty rather than throwing. Extension never breaks the agent's normal flow.