Closes#16
Adds a comprehensive HTTP/web service security hardening policy to `REPO_POLICIES.md` that must be satisfied before tagging 1.0. The policy covers all items sneak specified (without limitation):
**Security headers** — HSTS (min 1 year, includeSubDomains), CSP (restrictive `default-src 'self'` baseline), X-Frame-Options / frame-ancestors, X-Content-Type-Options: nosniff, Referrer-Policy, Permissions-Policy.
**Request/response limits** — max request body size on all endpoints, max response size for paginated APIs, ReadTimeout + ReadHeaderTimeout (slowloris defense), WriteTimeout, IdleTimeout, per-handler execution time limits.
**Authentication & session security** — rate limiting on password-based auth (API keys exempt as high-entropy), CSRF tokens on state-mutating forms (header-auth APIs exempt), bcrypt/scrypt/argon2 for passwords, session cookies with HttpOnly + Secure + SameSite.
**Reverse proxy awareness** — true client IP detection via X-Forwarded-For/X-Real-IP with trusted proxy allowlist (never trust unconditionally).
**CORS** — explicit origin allowlist for authenticated endpoints; wildcard only for public unauthenticated read-only APIs.
**Error handling** — no leaking stack traces, SQL queries, file paths, or implementation details to clients.
**TLS** — HSTS and secure cookie flags required regardless of whether the service terminates TLS directly or sits behind a reverse proxy.
The policy is explicitly non-exhaustive (defense-in-depth: "when in doubt, harden").
Also adds corresponding checklist sections to `EXISTING_REPO_CHECKLIST.md` and `NEW_REPO_CHECKLIST.md` so that HTTP hardening is verified during repo setup and 1.0 preparation.
Co-authored-by: user <user@Mac.lan guest wan>
Co-authored-by: clawbot <clawbot@eeqj.de>
Reviewed-on: #17
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Add policy rule: build artifacts and code-derived data must not be committed to repos if they can be generated during the build process.
Notable exception: Go protobuf-generated files (`.pb.go`) may be committed because `go get` downloads source but does not execute build steps.
This addresses feedback from sneak/chat PR [#61](sneak/chat#61).
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Reviewed-on: #15
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Updates LLM_PROSE_TELLS.md with three new patterns (two-clause compound sentence, almost-hedge, unnecessary contrast), the lol section with conversation excerpts, fixes for instances of these patterns throughout, and a bracket escaping fix for prettier idempotency. Checklist is now 24 items.
Co-authored-by: user <user@Mac.lan guest wan>
Reviewed-on: #8
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