Add Claude orchestration & Google A2A minting CLI integration, robust process runner, and UI hooks

[johnnyclem]

Motivation

• Surface new CLI features to the macOS app so users can run Claude Code orchestration and mint Google ADK A2A agents from the UI.
• Make CLI process execution more reliable by adding a timeout and preventing multiple continuation resumes/races.
• Keep Agent selection state in sync between the UI and the store and ensure the Settings reset clears the configured CLI path.

Description

• Added orchestrateWithClaude(options:) and mintGoogleA2AAgent(options:) to CLIBridge plus CLIOrchestrateOptions and CLIMintGoogleA2AOptions structs to model arguments.
• Rewrote run(_:args:cwd:) to use a TaskGroup, a 60-second timeout, an NSLock-guarded single continuation resume, and consistent stdout/stderr capture and error reporting.
• Updated AgentHubView to synchronize selectedAgentId with agentStore.selectedAgentId and automatically update selection when the visible agents list changes.
• Added an orchestration section to iOSGuildView with fields and actions to run Claude orchestration and mint Google A2A agents via the CLIBridge, plus helpers to show trimmed CLI output and optional parameter handling.
• Tweaked SettingsView reset flow to call appState.setCLIPath("") when resetting the app.

Testing

• Built the macOS app in Xcode after the changes and the project compiled successfully.
• Ran the project's automated test suite (swift test / Xcode unit tests where applicable) and all tests passed.

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Codex Task

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Project	Deployment	Actions	Updated (UTC)
agent-vault	Ready	Preview, Comment	Apr 26, 2026 2:51pm
agentvault	Ready	Preview, Comment	Apr 26, 2026 2:51pm