fix(db): add missing plugin_meta table

[JacobRWebb]

Summary

• Fixed session start crash caused by missing plugin_meta table
• session-start.ts was attempting to INSERT into a table that didn't exist in the schema
• Added the table to both schema.ts (fresh installs) and as a v6 migration (existing databases)

[greptile-apps]

Greptile Summary

• Fixed critical session startup crash by adding missing plugin_meta table that session-start.ts was attempting to insert into
• Implemented comprehensive database schema fix with both base schema addition for fresh installs and v6 migration for existing databases
• Updated schema versioning from 5 to 6 with proper migration detection logic to handle backward compatibility

Important Files Changed

Filename	Overview
src/db/schema.ts	Added plugin_meta table definition to base schema for fresh installations
src/db/migrate.ts	Added v6 migration to create plugin_meta table and updated version detection logic
CHANGELOG.md	Documented the database fix and migration details for version 2.1.4

Confidence score: 5/5

• This PR is safe to merge with minimal risk of production issues
• Score reflects a well-implemented database schema fix with proper migration handling and comprehensive testing considerations
• No files require special attention as the changes follow established patterns and include proper backward compatibility

Sequence Diagram

sequenceDiagram
    participant Developer as "Developer"
    participant Claude as "Claude"
    participant DB as "Database"
    participant Migration as "Migration System"
    
    Developer->>Claude: "Starts session (session-start.ts runs)"
    Claude->>DB: "Check database schema"
    DB->>Claude: "Returns current schema version"
    Claude->>Migration: "runMigrations()"
    Migration->>DB: "Check if plugin_meta table exists"
    DB->>Migration: "Table missing"
    Migration->>DB: "Execute v6 migration SQL"
    DB->>Migration: "Create plugin_meta table"
    Migration->>DB: "Insert schema version 6"
    Migration->>Claude: "Migration complete"
    Claude->>DB: "INSERT INTO plugin_meta (version info)"
    DB->>Claude: "Success - no crash"

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[ojowwalker77]

oops, yeah this is great! I will later today add tests to test db schemes against previous db versions!