scaffold proposals page

[coopeverything]

Goal

Create apps/frontend/src/pages/proposals.tsx with a minimal placeholder page (title “Proposals” and a short paragraph).

Scope allowlist

apps/frontend/src/pages/, docs/OPERATIONS.md

Done when / Checks

PR opens with only allowed paths changed

Add a short “How to verify” section in PR description

Proof-line in PR description: PROPOSALS_PAGE=OK

[github-actions]

Preflight could not validate your JSON (or schema).

Diagnostics:

• BYTES_RAW=375
• PREVIEW=### Goal

Create apps/frontend/src/pages/proposals.tsx with a minimal placeholder page (title “Proposals” and a short paragraph).

Scope allowlist

apps/frontend/src/pages/, docs/OPERATIONS.m

• jq_error=jq: parse error: Invalid numeric literal at line 1, column 4