Fix critical billing and analysis data-loss regressions

[cursor]

Summary

• Preserve existing analysis blueprints during failed reruns by deleting prior rows only after replacement blueprints are successfully inserted.
• Harden credit mutations with atomic SQL updates, add Stripe webhook credit idempotency, and refund App Idea Chat / Pattern Analyzer charges on post-deduction failures.
• Require authenticated ownership for the legacy analysis endpoint and mask locked blueprint internals server-side for free-tier API/page payloads.

Validation

• pnpm exec tsc --noEmit
• pnpm exec eslint lib/credits.ts lib/queries.ts lib/blueprint-access.ts app/api/stripe/webhook/route.ts app/api/analyses/[id]/run/route.ts app/api/app-idea-chat/route.ts app/api/pattern-analyzer/route.ts app/api/analyses/[id]/analyze/route.ts app/api/analyses/[id]/route.ts app/api/analyses/[id]/blueprints/route.ts app/dashboard/analyses/[id]/page.tsx (passes with the pre-existing lib/queries.ts warning)
• Temporary mocked runtime harness passed: blueprint masking, App Idea Chat refund on parse failure, legacy auth-before-billing, failed rerun preserving old blueprints, and atomic/idempotent credit SQL shape.

  

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Project	Deployment	Actions	Updated (UTC)
repo-app-architect	Ready	Preview, Comment	Jun 22, 2026 11:14am
repofuse	Ready	Preview, Comment, Open in v0	Jun 22, 2026 11:14am
v0-repo-app-architect	Ready	Preview, Comment, Open in v0	Jun 22, 2026 11:14am