feat(aircoding): AirCoding V2 baseline — deterministic multi-agent architecture

Forked from OpenCode v1.17.4 with multi-agent system:
- 5 agents: aircoding, scheduler, worker, architect, reviewer
- Deterministic DAG scheduling engine (coordinator_tick)
- Tool whitelists as hard enforcement
- AirCoding validation plugin
- V1 requirements: C4 docs, ADR, AGENTS.md, debug-log.md
- Design documents in docs/

packages/web/config.mjs

@@ -0,0 +1,14 @@
+const stage = process.env.SST_STAGE || "dev"
+
+export default {
+  url: stage === "production" ? "https://opencode.ai" : `https://${stage}.opencode.ai`,
+  console: stage === "production" ? "https://opencode.ai/auth" : `https://${stage}.opencode.ai/auth`,
+  email: "help@anoma.ly",
+  socialCard: "https://social-cards.sst.dev",
+  github: "https://github.com/anomalyco/opencode",
+  discord: "https://opencode.ai/discord",
+  headerLinks: [
+    { name: "app.header.home", url: "/" },
+    { name: "app.header.docs", url: "/docs/" },
+  ],
+}