fix(plugin): auto-create mcp.json for MCP server connectivity#1106
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Plugin installation did not create ~/.claude/mcp.json, causing MCP tools (parse_mode, etc.) to be unavailable despite plugin hooks working. - Add createMcpJson() to build.ts — generates .mcp.json for npm package - Add _ensure_mcp_json() to session-start.py — creates or merges codingbuddy entry into ~/.claude/mcp.json at runtime - Preserve existing MCP server configurations (only adds codingbuddy) - Do not overwrite user's custom codingbuddy configuration - Handle corrupted mcp.json gracefully (fallback to empty) - 4 new tests for mcp.json creation/merge/preserve/corruption Closes #1100
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Summary
~/.claude/mcp.json, causing MCP tools to be unavailablebuild.ts: AddcreateMcpJson()to generate.mcp.jsonfor npm package inclusionsession-start.py: Add_ensure_mcp_json()to create/merge codingbuddy entry into~/.claude/mcp.jsonat runtimemcp.jsongracefullyTest plan
test_creates_mcp_json_when_missing— creates file with codingbuddy entrytest_merges_into_existing_mcp_json— adds entry while preserving other serverstest_does_not_overwrite_existing_codingbuddy— respects user customizationstest_handles_corrupted_mcp_json— recovers from invalid JSONyarn buildgenerates.mcp.jsonin plugin directoryCloses #1100