Merge pull request #63 from 0xPolygon/feat/v2-relay-session

feat: v2 relay session handoff — replace cloudflared tunnel with Durable Object relay + 6-digit code

Author: JamesLawton

.gitignore

@@ -7,3 +7,4 @@ dist/
 /.idea/workspace.xml
 .nx/
 */**/.nx
+.gstack/

CLAUDE.md

@@ -19,7 +19,7 @@ published with the CLI package but are not source code.
 ## Development
 
 - Dev environment requires Node 24+ (`.nvmrc`). The published CLI supports Node 20+.
-- `node packages/polygon-agent-cli/src/index.ts` runs the CLI directly from source.
+- `tsx packages/polygon-agent-cli/src/index.ts` runs the CLI directly from source (tsx handles `.js`→`.ts` remapping for workspace packages).
 - `pnpm run build` compiles TypeScript to `dist/` (targeting es2023 for Node 20 compat).
 - The CLI uses yargs with the `CommandModule` builder/handler pattern.