Add provider readiness status

[danieldear]

Summary

• add dashboard-safe provider readiness status for hosted-MCP, dry-run/mock, Claude/OpenAI, and Ollama without exposing secrets
• add run artifact preview endpoints plus dashboard run-detail preview for markdown, JSON/text, rendered Mermaid diagrams, sandboxed HTML, images, and raw fallback
• update M4 milestone docs to mark provider readiness and artifact/mock viewer v1 as active/shipped slices
• clean GitHub Project Tools are not executed on Windows WSL #2 by adding this PR and marking M4/provider/mock viewer items In progress

Validation

• cargo fmt --all -- --check
• cargo check -p agent007
• cargo check -p agent007-web
• cargo test -p agent007 provider_readiness -- --nocapture
• cargo test -p agent007-web api_run_artifact_preview -- --nocapture
• cargo test -p agent007-web api_provider_status_returns_redacted_readiness -- --nocapture
• cd crates/web/frontend && npm run build

Deferred

• full TUI control flows
• agent-to-agent messaging/session server changes
• memory lifecycle changes
• provider onboarding wizard/OAuth flows
• .a7bundle v2 implementation

[Copilot]

Pull request overview

Adds provider readiness reporting to the web dashboard so users can see execution/provider availability without exposing raw API key values.

Changes:

• Adds provider readiness response/card structs and /api/providers/status.
• Wires CLI-derived provider readiness into web server startup paths.
• Adds dashboard UI cards and API client support for provider readiness.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
crates/web/src/server.rs	Stores provider readiness in app state and registers the new endpoint.
crates/web/src/api.rs	Defines readiness response types, handler, and API test.
crates/web/frontend/src/views/DashboardView.vue	Fetches and renders provider readiness cards.
crates/web/frontend/src/composables/useApi.js	Adds client method for provider status.
crates/cli/src/commands/serve.rs	Passes CLI provider readiness into dashboard server startup.
crates/cli/src/commands/serve_web.rs	Passes CLI provider readiness into standalone web server startup.
crates/cli/src/commands/run.rs	Builds provider readiness cards from config/env and adds tests.

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