Wire compound composer playground at /playground/compound-composer

[arielconti10]

What

Stacked on #6. Creates the lab surface for eve-chat's compound composer (Item 4 of the composer plan):

• Playground port (src/components/playground/compound-composer/): faithful copy of references/eve-chat/compound-composer/composer.tsx with three documented divergences — (1) the five hardcoded lucide icons become an injectable icons prop (icons.tsx supplies Hugeicons defaults per this repo's components.json iconLibrary; a lucide consumer passes its own set), (2) the preparing spinner gets a motion-reduce:animate-none path, (3) imports point at local shadcn paths. The snapshot in references/eve-chat/ stays untouched.
• Route (app/playground/compound-composer/): URL-only — no nav entry, no sitemap entry (sitemap derives from content/navigation), robots disallows /playground/, page metadata sets noindex. Minimal playground layout with a "lab surface, not the registry" header.
• Fixture rig (src/views/playground/compound-composer-content.tsx): rebuilt from the eve-chat snapshot rig with the external ui.sh picker replaced by plain local panels — (1) slot composition matrix (bare vs full stack), (2) submit lifecycle simulation (idle → preparing → busy → idle, Stop aborts), (3) attachments (picker/drag/paste, max cap, attachments-only sends), (4) typed controls payload inspector with a dispatch log.
• src/components/ui/attachment.tsx: added via shadcn CLI (agreed dependency decision). Site-side only — not in registry.json, not synced to registry/base-nova/ui/, not on the public install surface.
• Tests (tests/ui/compound-composer.test.tsx): runtime smoke tests (uncontrolled self-clear + typed controls in the submit payload, disarmed empty submit, busy-phase Stop) plus the snapshot's compile-time generic contract checks.

Constraints honored

• references/eve-chat/ never edited; divergences documented in the port header for future re-syncs.
• Registry composer, registry.json, public/r/ untouched.
• No Bare/B/C/D variant picker.

Verification

pnpm run verify passes; vitest suite 85/85; production server smoke test on /playground/compound-composer returns 200 with the rig rendered.

Next

PR 3 (stacked on this) composes the B+C dispatch-moment ideas — defensibility strip, posture badge, plan→execute gate — as integrator-side slot fills on this rig.

  

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Project	Deployment	Actions	Updated (UTC)
agentic-craft	Ready	Preview, Comment	Jul 5, 2026 4:55pm