fix(a2a): proxy /a2a + /.well-known to server in vite dev#59
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A2A endpoints (agent card + JSON-RPC) are mounted at root paths, not under /api. In vite-dev-served setups only /api and /ws are proxied to the bun server, so A2A requests were swallowed by the SPA fallback (agent-card.json returned HTML, POST /a2a/<user> returned 404). Add /a2a and /.well-known to the dev proxy. Bun-served production was unaffected since the bun server fronts everything there. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Problem
A2A endpoints (agent card + JSON-RPC) are mounted at root paths (
/a2a/<user>/...), not under/api. The vite dev server only proxies/apiand/wsto the bun server, so in vite-dev-served setups A2A requests fall through to the SPA fallback:GET /a2a/<user>/agent-card.json→ returns the SPA's HTML instead of JSONPOST /a2a/<user>(JSON-RPC) → 404Bun-served production is unaffected — the bun server fronts everything on one port there.
Fix
Add
/a2aand/.well-knownto the vite dev proxy, pointing at the same bun server target as/api.Note for review: strictly only
/a2ais required by current routes (the well-known card lives at/a2a/:user/.well-known/agent-card.json, under the/a2aprefix). The/.well-knownentry is kept as a forward-looking reservation for the A2A spec convention of a domain-root/.well-known/agent-card.json; drop it if you prefer the minimal change.Provenance
Cherry-picked from the internal fork (original commit
ec3d5f7), author mapped to their open-source identity. The diff is 4 lines inweb/vite.config.tswith no internal-only content.🤖 Generated with Claude Code