chore: ignore *.env.local; add admin + impersonation features, dashboard scoping, services and tests updates, docs tweaks

Save current project state - checkpoint commit

Major feature update: Question Engine V2, Frontend, Organism module, and enhanced sentiment analysis

Switch default audits report to v2

feat: complete production hardening and modularity assessment

docs: centralize markdown into docs/ and update references

chore: commit current version — production hardening notes, new scheduling/sentiment modules, and alembic migrations

fix: resolve audit processing and report generation issues

feat: add comprehensive production deployment configuration

feat: implement comprehensive report generation system

fix: update Google AI model to use gemini-1.5-flash

chore: improve code quality and type safety

chore: update test coverage data

fix: resolve syntax error and formatting issues for production readiness

feat: implement comprehensive audit processor with AI platform integration