- Move AI config from nix-agent-wire/srid to ./AI
- Update flake input: srid/AI -> srid/nix-agent-wire
- Update home modules to use local AI folder via flake.self.outPath
* Add opencode home-manager module for zest and pureintent
* Move claude-code Juspay config to separate module
* Add JUSPAY_API_KEY export for opencode