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4 Commits

Author SHA1 Message Date
lmiranda
13de992638 fix(hooks): add auto-symlink creation in data-platform startup hook 
Note: This fix may not help because MCP servers fail BEFORE hooks run.
See lessons learned wiki page for full debug trace.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-02 22:38:27 -05:00
lmiranda
c9e054e013 fix(hooks): check venv cache path before marketplace path 
Startup hooks in data-platform and pr-review were checking for venvs
at the marketplace path (~/.claude/plugins/marketplaces/.../mcp-servers/)
which gets wiped on updates. The actual venvs live in the cache directory
(~/.cache/claude-mcp-venvs/) which survives updates.

This caused false "MCP venv missing" errors even when venvs existed,
wasting hours of debugging time.

Fixed hooks now check cache path first, matching the pattern used
by run.sh scripts.

Also updated docs/CANONICAL-PATHS.md with the correct venv path pattern
to prevent future occurrences.

Lesson learned: lessons/patterns/startup-hooks-must-check-venv-cache-path-first

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-02 22:13:40 -05:00
lmiranda
ba1dee4553 fix(hooks): correct venv path in startup-check scripts 
The startup hooks were looking for MCP venvs relative to the plugin
directory instead of the marketplace root, causing false "venv missing"
errors on every session start.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-02 21:56:43 -05:00
lmiranda
89f0354ccc feat: add data-platform plugin (v4.0.0) 
Add new data-platform plugin for data engineering workflows with:

MCP Server (32 tools):
- pandas operations (14 tools): read_csv, read_parquet, read_json,
  to_csv, to_parquet, describe, head, tail, filter, select, groupby,
  join, list_data, drop_data
- PostgreSQL/PostGIS (10 tools): pg_connect, pg_query, pg_execute,
  pg_tables, pg_columns, pg_schemas, st_tables, st_geometry_type,
  st_srid, st_extent
- dbt integration (8 tools): dbt_parse, dbt_run, dbt_test, dbt_build,
  dbt_compile, dbt_ls, dbt_docs_generate, dbt_lineage

Plugin Features:
- Arrow IPC data_ref system for DataFrame persistence across tool calls
- Pre-execution validation for dbt with `dbt parse`
- SessionStart hook for PostgreSQL connectivity check (non-blocking)
- Hybrid configuration (system ~/.config/claude/postgres.env + project .env)
- Memory management with 100k row limit and chunking support

Commands: /initial-setup, /ingest, /profile, /schema, /explain, /lineage, /run
Agents: data-ingestion, data-analysis

Test suite: 71 tests covering config, data store, pandas, postgres, dbt tools

Addresses data workflow issues from personal-portfolio project:
- Lost data after multiple interactions (solved by Arrow IPC data_ref)
- dbt 1.9+ syntax deprecation (solved by pre-execution validation)
- Ungraceful PostgreSQL error handling (solved by SessionStart hook)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-25 14:24:03 -05:00