diff --git a/.github/workflows/agent-checks.yml b/.github/workflows/agent-checks.yml
index f5ff4f5..4b42662 100644
--- a/.github/workflows/agent-checks.yml
+++ b/.github/workflows/agent-checks.yml
@@ -62,10 +62,8 @@ jobs:
         with:
           node-version: '22'
 
-      - name: Install dependencies
-        run: |
-          npm --prefix dashboard/app ci
-          npm --prefix showcase/app ci
+      - name: Install dashboard dependencies
+        run: npm --prefix dashboard/app ci
 
       - name: Typecheck
         run: npm run typecheck
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1b2d4ab..3871403 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,10 +24,8 @@ jobs:
       - name: Install Python dependencies
         run: python -m pip install -e ".[test]"
 
-      - name: Install Node dependencies
-        run: |
-          npm --prefix dashboard/app ci
-          npm --prefix showcase/app ci
+      - name: Install dashboard dependencies
+        run: npm --prefix dashboard/app ci
 
       - name: Canonical Check
         run: npm run check
diff --git a/docs/AGENT_WORKFLOW.md b/docs/AGENT_WORKFLOW.md
index fc60fd6..a70e6cd 100644
--- a/docs/AGENT_WORKFLOW.md
+++ b/docs/AGENT_WORKFLOW.md
@@ -11,6 +11,14 @@ The default integration approach is documentation-first, lightweight, and safe.
 Agents should use synthetic examples only unless a human explicitly provides a
 sanitized artifact for review.
 
+## Repository structure note
+
+Comptextv7 no longer embeds the Monaco showcase application. The showcase is
+maintained separately in `ProfRandom92/comptext-v7-monaco-showcase`.
+
+The historical embedded showcase state remains preserved on the
+`archive/showcase-before-extraction` branch for recovery or forensic review.
+
 ## Agent roles
 
 | Agent work type | Belongs in Comptextv7 | Belongs in Comptext-Daimler-Experiment- |
@@ -20,6 +28,7 @@ sanitized artifact for review.
 | Report contract documentation | Yes. | Yes, when documenting producer-side details. |
 | Sanitization policy | Yes for consumer/review expectations. | Yes for producer-side sanitization implementation. |
 | Forensic replay findings | Yes when they require runtime, parser, dashboard, export, or validation fixes. | Yes when they require experiment scenario changes. |
+| Monaco showcase/UI demo work | No. It belongs in `ProfRandom92/comptext-v7-monaco-showcase`. | No, unless only experiment evidence changes. |
 
 ## Safe branch workflow
 
@@ -40,10 +49,9 @@ git checkout -b agent/benchmark-integration-docs
 If a local clone does not have a `main` branch or remote, note that limitation in
 the final response and still ensure work happens on the requested feature branch.
 
-
 ## Safe workflow helper scripts
 
-Use the new deterministic helper scripts before making or reviewing agent-authored
+Use the deterministic helper scripts before making or reviewing agent-authored
 changes:
 
 1. Run `python scripts/repo_intake.py` as the first safe discovery step. It
@@ -51,9 +59,8 @@ changes:
    API/dashboard/report areas in `docs/reports/repo-intake-report.md` without
    reading sensitive payloads or requiring network access.
 2. Use the commands in [`docs/validation.md`](validation.md) as the local
-   validation step. Use root wrapper commands for broad validation, or
-   app-specific commands from `dashboard/app` and `showcase/app` for targeted
-   validation.
+   validation step. Use root wrapper commands for broad validation, or direct
+   commands from `dashboard/app` for targeted dashboard validation.
 3. Run `python scripts/generate_contract_fixtures.py` when API/dashboard/export
    contracts are touched. It regenerates
    `contracts/examples/api-dashboard.example.json` and writes
@@ -75,14 +82,15 @@ changes:
 7. Let `.github/workflows/agent-checks.yml` provide the PR CI guardrail by
    compiling the helper scripts, regenerating intake evidence, generating
    contract fixtures, validating API/export payload shapes, generating the
-   project health report, generating the dashboard health summary, and running
-   the same safe checks on Python 3.11.
+   project health report, generating the dashboard health summary, running the
+   same safe Python checks, and running dashboard validation on Python 3.11 and
+   Node.js 22.
 
 These checks complement benchmark, regression, sanitization, and forensic replay
 reports from `ProfRandom92/Comptext-Daimler-Experiment-`. They do not replace
 benchmark review and do not introduce runtime coupling between repositories. Use
 only sanitized summaries or synthetic examples when connecting those reports to
-Comptextv7 PR evidence. Future dashboard/UI work should consume
+Comptextv7 PR evidence. Dashboard/UI work should consume
 `docs/reports/dashboard-health-summary.json` as a static status source for
 release-readiness cards, missing-artifact lists, and safety notes instead of
 requiring a live server, network access, or real Daimler data.
@@ -134,9 +142,11 @@ Prefer one narrow purpose per PR:
 - API/export schema-version addition.
 - Validation or replay fix tied to a specific forensic finding.
 - Follow-up issue creation for larger automation.
+- Showcase-only demo updates in `ProfRandom92/comptext-v7-monaco-showcase`, not in Comptextv7.
 
 Avoid mixing benchmark integration docs with unrelated runtime refactors,
-dependency upgrades, dashboard redesigns, or fixture changes.
+dependency upgrades, dashboard redesigns, fixture changes, or showcase migration
+work.
 
 ## Security constraints
 
@@ -146,8 +156,7 @@ Never commit:
 - Real Daimler payloads or customer data.
 - Raw production logs.
 - Proprietary documents or unreleased vendor material.
-- Unsanitized VIN/FIN, account, employee, plant, vehicle, or workshop
-  identifiers.
+- Unsanitized VIN/FIN, account, employee, plant, vehicle, or workshop identifiers.
 - Large opaque binary artifacts from benchmark tools.
 
 Prefer:
@@ -161,7 +170,7 @@ Prefer:
 
 ## Review checklist
 
-Before opening a Comptextv7 PR, agents should verify:
+Before opening or updating a Comptextv7 PR, agents should verify:
 
 - [ ] Branch is a feature branch and PR targets `main`.
 - [ ] The change does not introduce runtime coupling to the experiment
@@ -169,6 +178,8 @@ Before opening a Comptextv7 PR, agents should verify:
 - [ ] New examples are synthetic.
 - [ ] No secrets, cookies, tokens, real Daimler data, customer data, raw logs, or
       proprietary documents are committed.
+- [ ] Unsanitized VIN/FIN, account, employee, plant, vehicle, or workshop
+      identifiers are not committed.
 - [ ] Benchmark-sensitive routes are called out when affected.
 - [ ] p50, p95, p99, RPS, error rate, and payload size are reviewed when
       performance-sensitive code changes.
@@ -185,6 +196,8 @@ Before opening a Comptextv7 PR, agents should verify:
       and `python scripts/validate_api_exports.py`, with reports checked in under
       `docs/reports/contract-fixture-generation-report.md` and
       `docs/reports/api-export-validation-report.md` when generated.
+- [ ] Monaco showcase-only work is routed to
+      `ProfRandom92/comptext-v7-monaco-showcase` instead of Comptextv7.
 
 ## Synthetic PR evidence example
 
@@ -210,18 +223,24 @@ Before opening a Comptextv7 PR, agents should verify:
 Use this rule of thumb:
 
 - If the change affects Comptextv7 users, dashboard/API surfaces, runtime
-  behavior, validation gates, documentation, or exported report contracts, it
-  belongs in Comptextv7.
+  behavior, validation gates, documentation, exported report contracts, or
+  release evidence, it belongs in Comptextv7.
 - If the change affects benchmark workload generation, experiment-only scripts,
   experiment report production, or exploratory forensic scenarios, it belongs in
   `ProfRandom92/Comptext-Daimler-Experiment-`.
-- If both repositories are affected, split the work into two PRs and keep the
-  handoff contract small and sanitized.
+- If the change affects Monaco showcase UI, demo composition, Monaco editor
+  behavior, standalone showcase assets, or showcase deployment, it belongs in
+  `ProfRandom92/comptext-v7-monaco-showcase`.
+- If multiple repositories are affected, split the work into small PRs and keep
+  the handoff contract sanitized, documented, and reversible.
 
 ## Next recommended PRs
 
-1. Add a versioned JSON Schema for synthetic benchmark summaries.
-2. Add a versioned JSON Schema for regression and sanitization summaries.
-3. Add optional local import of sanitized summary files, disabled by default.
-4. Add dashboard trend cards for p50/p95/p99 and payload-size deltas.
-5. Add PR checklist entries for benchmark-sensitive route review.
+After this cleanup, prefer follow-up PRs in this order:
+
+1. Remove the now-decoupled embedded showcase files from Comptextv7 once the full
+   file list can be handled safely.
+2. Improve dashboard release-health UX using the existing static
+   `docs/reports/dashboard-health-summary.json` contract.
+3. Keep dependency updates manual, scoped, and validated. Do not reintroduce
+   Dependabot automation.
diff --git a/docs/validation.md b/docs/validation.md
index 9f6b2cb..4a71b57 100644
--- a/docs/validation.md
+++ b/docs/validation.md
@@ -1,8 +1,8 @@
 # Validation Guide
 
-This repository intentionally has multiple validation surfaces. You can use the
-root npm wrapper commands for broad reviewer-friendly validation, or use direct
-app commands when you only need to validate one app.
+This repository intentionally has multiple validation surfaces. Use the root npm
+wrapper commands for broad reviewer-friendly validation, or use direct dashboard
+commands when only the dashboard application is affected.
 
 ## Repository layout
 
@@ -10,7 +10,6 @@ app commands when you only need to validate one app.
 Comptextv7/
 ├── package.json    # Root command wrapper only; no root dependencies
 ├── dashboard/app/  # Vite + TypeScript dashboard application
-├── showcase/app/   # Vite + TypeScript showcase application
 ├── tests/          # Python regression, replay, and foundation tests
 ├── scripts/        # Python validation and repository utility scripts
 ├── artifacts/      # Committed deterministic replay artifacts
@@ -19,11 +18,15 @@ Comptextv7/
 
 The repository root contains a minimal `package.json` wrapper for reviewer
 convenience. It does not define workspaces, dependencies, or a root Node app.
-Dashboard and showcase remain the real Node applications, with their dependency
-management in `dashboard/app` and `showcase/app`.
+The dashboard remains the only Node application in this repository, with its
+dependency management in `dashboard/app`.
 
-Root npm scripts use `npm --prefix` to delegate to the app directories and use
-`pytest` for Python validation. No root `node_modules` directory or root npm
+The embedded showcase was removed from Comptextv7 and is maintained separately
+in `ProfRandom92/comptext-v7-monaco-showcase`. Historical Comptextv7 showcase
+files are preserved on the `archive/showcase-before-extraction` branch.
+
+Root npm scripts use `npm --prefix` to delegate to the dashboard directory and
+use `pytest` for Python validation. No root `node_modules` directory or root npm
 dependencies are required for the wrapper itself.
 
 ## Root wrapper commands
@@ -42,11 +45,11 @@ npm run check
 The root wrapper delegates as follows:
 
 - `npm run layout` runs `python scripts/check_repo_layout.py`.
-- `npm run typecheck` runs dashboard and showcase typechecks with
+- `npm run typecheck` runs the dashboard typecheck with `npm --prefix`.
+- `npm run validate` runs the dashboard release-health smoke test with
   `npm --prefix`.
-- `npm run validate` runs showcase static validation with `npm --prefix`.
-- `npm run build` runs dashboard and showcase builds with `npm --prefix`.
-- `npm test` runs `pytest -q`.
+- `npm run build` runs the dashboard build with `npm --prefix`.
+- `npm test` runs `pytest`.
 - `npm run check` chains layout, typecheck, validate, build, and Python tests.
 
 ## Dashboard app validation
@@ -58,25 +61,11 @@ changes:
 cd dashboard/app
 npm run typecheck
 npm run build
+npm run smoke:release-health
 ```
 
-Use these commands for core dashboard TypeScript changes, including the
-`dashboard/app/src/core/foundation/` modules.
-
-## Showcase app validation
-
-Run showcase validation directly from `showcase/app` for targeted showcase
-changes:
-
-```bash
-cd showcase/app
-npm run typecheck
-npm run validate
-npm run build
-```
-
-Use these commands for showcase TypeScript, static validation, and Vite build
-checks.
+Use these commands for dashboard TypeScript changes, release-health UI changes,
+and `dashboard/app/src/core/foundation/` modules.
 
 ## Python validation from the repository root
 
diff --git a/package.json b/package.json
index cda5d7f..ec1c08e 100644
--- a/package.json
+++ b/package.json
@@ -3,10 +3,10 @@
   "private": true,
   "scripts": {
     "postinstall": "npm run bootstrap",
-    "bootstrap": "npm --prefix dashboard/app install && npm --prefix showcase/app install",
-    "build": "npm --prefix dashboard/app run build && npm --prefix showcase/app run build",
-    "typecheck": "npm --prefix dashboard/app run typecheck && npm --prefix showcase/app run typecheck",
-    "validate": "npm --prefix showcase/app run validate",
+    "bootstrap": "npm --prefix dashboard/app install",
+    "build": "npm --prefix dashboard/app run build",
+    "typecheck": "npm --prefix dashboard/app run typecheck",
+    "validate": "npm --prefix dashboard/app run smoke:release-health",
     "test": "pytest",
     "test:core": "pytest tests/test_core_foundation_ts.py -q",
     "test:replay": "pytest tests/test_paper_replay_bench.py tests/test_agent_trace_replay.py tests/test_replay_continuity.py -q",