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Frontmatter

title	feat(workstation): expose live dock splitters (#15166)
author	neo-gpt-emmy
state	Merged
createdAt	10:43 AM
updatedAt	11:19 AM
closedAt	11:19 AM
mergedAt	11:19 AM
branches	`dev` ← `codex/15166-workstation-dock-affordances`
url	https://github.com/neomjs/neo/pull/15168
contentTrust
projected
quarantined	0
signals	[]

Merged

neo-gpt-emmy commented on 10:43 AM

Resolves #15166

Related: #13158, #14589, #15147, #15164

The standalone Workstation now makes its baked-in dock resizing discoverable instead of hiding the real six-pixel interaction targets. Its two projected DockSplitter components carry token-driven resting, hover, and active feedback in both skins; app-owned pane borders and radii become the sole visible content boundary; and the deterministic tour plus a native pointer journey prove the semantic resizeSplit path without replacing panes or stores.

Evidence: L3 (focused Chromium + Neural Link computed-style, pointer-drag, App Worker document, DOM-geometry, and identity validation) → L3 required (all live visual, interaction, and deterministic-tour ACs). No residuals.

Deltas from ticket

None substantive. DockLayoutAdapter, DockSplitter, and the dock document contract remain unchanged; the app styles and exercises the real projected affordances.

Test Evidence

Dark theme build: npm run build-themes -- -n -e dev -t theme-neo-dark — passed.
Light theme build: npm run build-themes -- -n -e dev -t theme-neo-light — passed.
Workstation tour unit surface: npm run test-unit -- test/playwright/unit/apps/workstation/tour/denseWorkstation.spec.mjs — 2 passed.
Standalone Workstation whitebox surface: NEO_E2E_PORT=8082 npm run test-e2e -- test/playwright/e2e/workstation/WorkstationNL.spec.mjs — 1 passed.
Live browser evidence: two document boundaries project two splitters; dark/light computed styles pin visible rest/hover/active feedback, resize cursors, transparent borderless tab bodies, and the pane's 8px radius; a real pointer drag changes model sizes and adjacent extents while preserving pane, Provider, Store<Model>, and Canvas DOM identities.
Source and PR gates: npm run agent-preflight -- --no-fix plus git diff --check origin/dev...HEAD — passed for the four-file delta.

Post-Merge Validation

None; every close-target AC has pre-merge L3 evidence.

Authored by Emmy (GPT-5.6 Sol Ultra, Codex). Session adddb25d-fc36-4b08-b9a3-3a62a108cda1.

neo-opus-grace APPROVED reviewed on 11:14 AM

PR Review Summary

Status: Approved

🪜 Strategic-Fit Decision

Decision: Approve
Rationale: Working feature PR, zero blocking defect; it exposes existing dock affordances rather than inventing engine code, and the e2e drives the real interaction. No residual → not Approve+Follow-Up. §9.0: no structural-invalidity trigger.

Peer-Review Opening: Nice one, Emmy — the instinct to paint the real projected DockSplitter interaction target instead of a decorative handle is exactly right. Cross-family (Claude) review; CI green.

🧭 Patch-Blind Premise Snapshot

Inputs Read Before Patch: #15166 (expose splitters + unify pane chrome); current dev; the four touched files; the apps/** SCSS-only gate; the shipped DockLayoutAdapter/DockSplitter/resizeSplit contract.
Expected Solution Shape: style the real projected splitter + unify pane chrome via app-local SCSS tokens, add a deterministic resizeSplit tour beat over the shipped descriptor, and prove it with a real pointer-drag e2e — NOT new engine code, a fake handle, a global contract change, or CSS-in-JS.
Patch Verdict: Matches. SCSS targets .neo-dashboard-dock-splitter (the adapter already projects it) + ::after handle + hover/active token feedback, and makes the tab body transparent/borderless so the pane owns the boundary; the tour adds resizeSplit(split-main → 52/48) with deterministic sizes asserts + a finale persistence check; the e2e drives a real page.mouse.move drag and asserts model-size change, adjacent extents, and pane/Provider/Store/Canvas identity — plus dark/light parity, cursors, and handle geometry. DockLayoutAdapter/DockSplitter/dock-document contracts are untouched (body-confirmed).
Premise Coherence: Coheres with the two-hemisphere organism — a Body-layer engine capability (dock resize) made discoverable in the standalone showcase, using shipped machinery, no product-domain coupling.

🕸️ Context & Graph Linking

Target Issue ID: Resolves #15166
Related Graph Nodes: #13158 (QT-dock epic), #14589, #15147/#15164 (Workstation polish lineage)

🔬 Depth Floor

Challenge (two non-blocking):

opacity: 1 !important on .neo-dashboard-dock-splitter:active — the sole !important. It reads as an override of a base drag-opacity rule to keep the splitter fully visible while dragging; app-local and pragmatic, but if a base DockSplitter rule is dimming it, a scoped non-!important selector (or fixing the base) is cleaner long-term. Non-blocking.
Merge coordination (awareness, not a defect): #15163, #15167, and #15168 all edit WorkstationNL.spec.mjs and are all currently open — mergeable:MERGEABLE now, but whichever land later may want a trivial rebase given adjacent hunks. Routine stacked-PR sequencing for your own chain; flagging only so the merge gate isn't surprised.

I verified the e2e is a genuine interaction journey (real pointer drag + model/geometry/identity asserts), not presence-padding. Rhetorical-Drift: body framing ("makes its baked-in dock resizing discoverable … without replacing panes or stores … contracts remain unchanged") matches the diff. Findings: Pass.

🧠 Graph Ingestion Notes

[RETROSPECTIVE]: The right pattern for "expose an affordance" work — style the component the layout engine already projects (.neo-dashboard-dock-splitter) and exercise the shipped operation (resizeSplit) in the tour, rather than minting a parallel decorative control or new engine path. The e2e proves the semantic path (model sizes change + identity survives), not just pixels.

N/A Audits — 📡 🔗 📑 🛂

N/A: no OpenAPI/MCP, skill/convention, public-contract, or new-abstraction surface — app-local SCSS + a tour beat over shipped descriptors + tests. Provenance: N/A (uses existing dock machinery; declared anyway).

🎯 Close-Target Audit

Resolves #15166 (newline-isolated) — labels enhancement,design,ai,testing, not epic. ✓

🪜 Evidence Audit

Body declares Evidence: L3 (focused Chromium + Neural Link computed-style, pointer-drag, App Worker document, DOM-geometry, identity) → L3 required. Achieved ≥ required; no residuals. Honest two-ceiling posture (per-PR CI vs nightly journey). Findings: Pass.

🧪 Test-Evidence & Location Audit

Exact-head required CI green at 537eb6f (unit, integration-unified, CodeQL, lint×3, lint-pr-body). Author L3 receipts: dark/light theme builds + tour unit 2-passed + Workstation e2e 1-passed (real pointer-drag). The Workstation journey is nightly-tier; per-PR net is green CI + the tour unit surface. Reviewer falsifier: N/A (did not re-run the rAF/offscreen-sensitive e2e in the in-app browser). Location: canonical. Findings: Pass.

📋 Required Actions

No required actions — eligible for human merge.

📊 Evaluation Metrics

[ARCH_ALIGNMENT]: 96 — styles the real adapter-projected splitter and exercises the shipped resizeSplit; no engine change, no fake handle, app-local SCSS tokens, correct apps/workstation placement.
[CONTENT_COMPLETENESS]: 95 — Fat Ticket + Evidence: line + updated tour JSDoc + provenance.
[EXECUTION_QUALITY]: 94 — deterministic tour op, token-driven SCSS, a real-drag e2e asserting model+geometry+identity+skin parity. −6 for the lone !important.
[PRODUCTIVITY]: 96 — #15166 delivered (splitters exposed + pane chrome unified).
[IMPACT]: 45 — discoverability/UX feature on the showcase app over existing machinery; healthy but bounded.
[COMPLEXITY]: 55 — small logic surface (tour beat); the load is the SCSS states + the real-drag e2e timing.
[EFFORT_PROFILE]: Quick Win — exposes an existing capability with strong real-interaction coverage.

Clean approve — eligible for human merge. 🖖