ToolboxAid · ToolboxAid · Jun 28, 2026
diff --git a/dev/build/ProjectInstructions/PROJECT_INSTRUCTIONS.md b/dev/build/ProjectInstructions/PROJECT_INSTRUCTIONS.md
@@ -117,7 +117,7 @@ Rules:
 
 ## Current Version/Date
 
-- Project Instructions Version: 2026.06.28.009
+- Project Instructions Version: 2026.06.28.010
 - Date: 2026-06-28
 - Owner: OWNER
 

diff --git a/dev/build/ProjectInstructions/PROJECT_INSTRUCTIONS_VERSION.md b/dev/build/ProjectInstructions/PROJECT_INSTRUCTIONS_VERSION.md
@@ -1,6 +1,6 @@
 # Project Instructions Version
 
-Current Project Instructions Version: 2026.06.28.009
+Current Project Instructions Version: 2026.06.28.010
 
 Last Updated: 2026-06-28
 
@@ -16,7 +16,8 @@ Last Updated: 2026-06-28
 - Added `www/` migration map for safe browser-served application movement planning.
 - Added local route-root compatibility toggle documentation for future `www/` activation.
 - Moved browser-served application files under `www/` and made local static serving prefer `www/` by default.
-- Moved server/API application runtime under `api/`; browser API clients remain outside `api/` and developer-only bootstrap remains in `dev/` until the local-runtime migration PR.
+- Moved server/API application runtime under `api/`; browser API clients remain outside `api/`.
+- Moved developer-only local runtime/bootstrap entrypoints under `dev/local-runtime/` and preserved the public npm command surface.
 - Codex must read this version file and the latest repository copy of `PROJECT_INSTRUCTIONS.md` before performing work.
 - Codex must discard previously remembered Project Instructions and treat the repository copy as authoritative.
 - Codex must validate canonical report and ZIP paths, branching model, and legacy path avoidance before work proceeds.
diff --git a/dev/build/ProjectInstructions/PROJECT_STATE.md b/dev/build/ProjectInstructions/PROJECT_STATE.md
@@ -1,7 +1,7 @@
 # Project State
 
 ```yaml
-project_state_version: "2026.06.28.009"
+project_state_version: "2026.06.28.010"
 last_updated: "2026-06-28"
 current_main_commit: "40de767476d70cadfd1292c916844c2f31b6f185"
 repository_status:
@@ -10,18 +10,18 @@ repository_status:
   runtime_database: "Postgres"
   creator_metadata: "API to Postgres"
   creator_assets: "API to R2"
-project_instructions_version: "2026.06.28.009"
-repository_structure_version: "2026.06.28.009"
-canonical_layout_version: "2026.06.28.009"
+project_instructions_version: "2026.06.28.010"
+repository_structure_version: "2026.06.28.010"
+canonical_layout_version: "2026.06.28.010"
 active_teams:
   - "Owner"
   - "Alfa"
   - "Bravo"
   - "Charlie"
   - "Delta"
   - "Golf"
-latest_owner_pr: "PR_26180_OWNER_009-move-api-application"
-latest_structure_pr: "PR_26180_OWNER_009-move-api-application"
+latest_owner_pr: "PR_26180_OWNER_010-move-dev-local-runtime"
+latest_structure_pr: "PR_26180_OWNER_010-move-dev-local-runtime"
 valid_top_level_folders:
   - "api/"
   - "deploy/"

diff --git a/dev/build/ProjectInstructions/backlog/BACKLOG_MASTER.md b/dev/build/ProjectInstructions/backlog/BACKLOG_MASTER.md
@@ -39,9 +39,9 @@ The backlog is the authoritative source for determining the next logical PRs.
 - Team: Owner
 - Product Area: Repository Architecture Simplification
 - Status: Active
-- Percent Complete: 40%
-- Active PR: PR_26180_OWNER_009-move-api-application
-- Next Milestone: Move developer-only local runtime into `dev/local-runtime/`
+- Percent Complete: 50%
+- Active PR: PR_26180_OWNER_010-move-dev-local-runtime
+- Next Milestone: Move tests and validation path references for the new layout
 - Source / Reference: `dev/build/ProjectInstructions/repository/repository_layout_architecture_plan.md`; `dev/build/ProjectInstructions/repository/www_migration_map.md`
 
 ## Game Journey MVP
@@ -214,8 +214,8 @@ The backlog is the authoritative source for determining the next logical PRs.
   - `npm run dev:local-api` remains as the legacy API alias.
   - `npm run dev:api` supports API-only startup.
   - `npm run dev:web` supports web-only startup.
-  - `dev/bootstrap/start-dev.mjs` owns bootstrap orchestration.
-  - `dev/bootstrap/team-port-config.mjs` owns team port resolution.
+  - `dev/local-runtime/start-dev.mjs` owns bootstrap orchestration.
+  - `dev/local-runtime/team-port-config.mjs` owns team port resolution.
   - Team-aware `--team` runtime support is implemented.
   - Bootstrap orchestration, browser launch reporting, and port resolution are implemented.
   - Verified command: `npm run dev:bootstrap -- --team bravo`.

diff --git a/dev/build/ProjectInstructions/repository/canonical_repository_structure.md b/dev/build/ProjectInstructions/repository/canonical_repository_structure.md
@@ -52,7 +52,7 @@ Dev workspace ownership:
 - dev/archive/ owns historical reference material only.
 - dev/build/ owns active Project Instructions, architecture, database DDL/DML/seed docs, standards, backlog, PR planning, and governance.
 - dev/config/ owns development-only runner and tooling configuration.
-- dev/local-runtime/ owns developer-only local runtime bootstrap, team port resolution, local diagnostics, and browser launch orchestration after the migration step that moves those files.
+- dev/local-runtime/ owns developer-only local runtime bootstrap, team port resolution, local diagnostics, and browser launch orchestration.
 - dev/reports/ owns authoritative Codex reports for the repository. Reports committed to `main` are the official record.
 - dev/scripts/ owns development-only scripts and runners.
 - dev/templates/ owns reusable development templates.

diff --git a/dev/build/ProjectInstructions/repository/repository_layout_architecture_plan.md b/dev/build/ProjectInstructions/repository/repository_layout_architecture_plan.md
@@ -26,7 +26,9 @@ No browser, API, server, test, script, or runtime files move in the scaffold or
 
 `PR_26180_OWNER_008-move-www-application` moved browser-served application files under `www/` and made local static serving prefer `www/` while preserving public URLs.
 
-`PR_26180_OWNER_009-move-api-application` moves server/API application runtime under `api/` while preserving `/api/*` route behavior. Browser API client modules remain outside `api/`, and developer-only local startup orchestration remains under `dev/` until the local-runtime migration PR.
+`PR_26180_OWNER_009-move-api-application` moves server/API application runtime under `api/` while preserving `/api/*` route behavior. Browser API client modules remain outside `api/`.
+
+`PR_26180_OWNER_010-move-dev-local-runtime` moves developer-only local runtime/bootstrap entrypoints under `dev/local-runtime/` while preserving `npm run dev:bootstrap`, `npm run dev:api`, `npm run dev:web`, and `npm run dev:local-api`.
 
 ## Proposed Future Layout
 
@@ -95,7 +97,7 @@ Local development may use the team-aware developer bootstrap and local runtime s
 Developer command -> dev bootstrap -> local www server + local api server -> Postgres/R2 or approved local provider
 ```
 
-Current local bootstrap commands remain unchanged by this plan. This PR does not modify `package.json` commands.
+Current local bootstrap command names remain stable. `PR_26180_OWNER_010-move-dev-local-runtime` updates the command targets to `dev/local-runtime/` without changing the user-facing command names.
 
 The local developer workflow must continue to prove the same browser/API/database contract that deployed environments use.
 

diff --git a/dev/build/ProjectInstructions/repository/www_migration_map.md b/dev/build/ProjectInstructions/repository/www_migration_map.md
@@ -111,7 +111,7 @@ Three active server/helper surfaces currently resolve static browser paths throu
 
 | File | Current behavior |
 | --- | --- |
-| `dev/scripts/start-dev.mjs` | Team-aware bootstrap static server resolves requests with `resolveStaticRouteTarget()`, preferring `www/` while preserving public route URLs and compatibility routes. |
+| `dev/local-runtime/start-dev.mjs` | Team-aware bootstrap static server resolves requests with `resolveStaticRouteTarget()`, preferring `www/` while preserving public route URLs and compatibility routes. |
 | `api/server/local-api-server.mjs` | Legacy local API alias serves API routes and falls back to `resolveStaticRouteTarget()`, preferring `www/` while preserving public route URLs and compatibility routes. |
 | `dev/tests/helpers/playwrightRepoServer.mjs` | Playwright test server mirrors the shared static route resolver and compatibility routes. |
 
@@ -151,7 +151,6 @@ The `www/` move PR updated test helpers and route expectations for the filesyste
 
 ### Defer
 
-- Moving developer bootstrap into `dev/local-runtime/`.
 - Removing legacy root compatibility routes.
 - Changing package commands.
 - Renaming public URLs.

diff --git a/dev/local-runtime/.gitkeep b/dev/local-runtime/.gitkeep
diff --git a/dev/scripts/start-dev.mjs → dev/local-runtime/start-dev.mjs b/dev/scripts/start-dev.mjs → dev/local-runtime/start-dev.mjs
diff --git a/dev/scripts/start-local-api-server.mjs → dev/local-runtime/start-local-api-server.mjs b/dev/scripts/start-local-api-server.mjs → dev/local-runtime/start-local-api-server.mjs
diff --git a/dev/scripts/team-port-config.mjs → dev/local-runtime/team-port-config.mjs b/dev/scripts/team-port-config.mjs → dev/local-runtime/team-port-config.mjs
diff --git a/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_branch-validation.md b/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_branch-validation.md
@@ -0,0 +1,23 @@
+# PR_26180_OWNER_010 Branch Validation
+
+## Startup Validation
+
+- Project Instructions version: 2026.06.28.010
+- Repository source: PASS
+- Cached memory discarded: PASS
+- Canonical paths loaded: PASS
+- `PROJECT_BRANCHING_POLICY.md` loaded: PASS
+
+## Branch
+
+- Current branch: `PR_26180_OWNER_010-move-dev-local-runtime`
+- Expected stacked base: `PR_26180_OWNER_009-move-api-application`
+- Stacked PR model: PASS
+- Worktree before branch creation: clean
+
+## Scope Validation
+
+- Local runtime/bootstrap files moved into `dev/local-runtime/`: PASS
+- API/server files not moved: PASS
+- Browser/www files not moved: PASS
+- Public npm command names preserved: PASS
diff --git a/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_manual-validation-notes.md b/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_manual-validation-notes.md
@@ -0,0 +1,15 @@
+# PR_26180_OWNER_010 Manual Validation Notes
+
+## Manual Review
+
+- Confirmed `dev/local-runtime/` now owns local bootstrap, team port config, startup diagnostics, and browser launch support.
+- Confirmed `dev/scripts/` no longer owns the moved local-runtime entrypoints.
+- Confirmed `api/` server application files were not moved.
+- Confirmed `www/` browser files were not moved.
+- Confirmed package command names remain stable.
+- Confirmed no stale active references remain to old `dev/scripts/start-dev.mjs`, `dev/scripts/start-local-api-server.mjs`, `dev/scripts/team-port-config.mjs`, or old `dev/bootstrap` paths.
+
+## Process Notes
+
+- The command smoke harness stopped each npm process after diagnostics printed.
+- A remaining listener on `127.0.0.1:5501` was identified as a VS Code utility process, not a leftover validation server.
diff --git a/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_report.md b/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_report.md
@@ -0,0 +1,38 @@
+# PR_26180_OWNER_010-move-dev-local-runtime Report
+
+## Executive Summary
+
+PASS. This PR moves developer-only local runtime/bootstrap entrypoints into `dev/local-runtime/` while preserving the public npm command surface.
+
+## Scope Completed
+
+- Moved `dev/scripts/start-dev.mjs` to `dev/local-runtime/start-dev.mjs`.
+- Moved `dev/scripts/start-local-api-server.mjs` to `dev/local-runtime/start-local-api-server.mjs`.
+- Moved `dev/scripts/team-port-config.mjs` to `dev/local-runtime/team-port-config.mjs`.
+- Removed `dev/local-runtime/.gitkeep` because the folder now contains active files.
+- Updated package scripts while preserving command names:
+  - `npm run dev:bootstrap`
+  - `npm run dev:api`
+  - `npm run dev:web`
+  - `npm run dev:local-api`
+- Updated targeted tests and validation references to the new local-runtime paths.
+- Updated Project Instructions version to `2026.06.28.010`.
+- Updated Repository Architecture Simplification backlog status to 50%.
+
+## Scope Boundaries
+
+- API/server application files were not moved.
+- Browser/www files were not moved.
+- Product behavior was not changed.
+- Public command names were preserved.
+
+## Stacked Dependency
+
+- Previous PR dependency: `PR_26180_OWNER_009-move-api-application`
+- Current PR: `PR_26180_OWNER_010-move-dev-local-runtime`
+- Next planned PR: `PR_26180_OWNER_011-move-tests-and-validation`
+- Intended merge order: PR009, then PR010, then PR011.
+
+## Playwright
+
+Playwright was not run because this PR moved local developer entrypoint file locations and preserved route/runtime behavior. Targeted node tests and controlled command smoke checks covered the moved startup surface.
diff --git a/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_requirement-checklist.md b/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_requirement-checklist.md
@@ -0,0 +1,18 @@
+# PR_26180_OWNER_010 Requirement Checklist
+
+| Requirement | Status | Evidence |
+| --- | --- | --- |
+| Base on `PR_26180_OWNER_009-move-api-application` | PASS | Branch was created from PR009 stacked base. |
+| Move team-aware bootstrap orchestration into `dev/local-runtime/` | PASS | `start-dev.mjs` moved to `dev/local-runtime/`. |
+| Move local port/team config into `dev/local-runtime/` | PASS | `team-port-config.mjs` moved to `dev/local-runtime/`. |
+| Move local diagnostics and browser launch support into `dev/local-runtime/` | PASS | `start-dev.mjs` and `start-local-api-server.mjs` moved together. |
+| Update package commands to new paths | PASS | `package.json` points commands at `dev/local-runtime/`. |
+| Preserve `npm run dev:bootstrap` | PASS | Command smoke produced expected owner diagnostics. |
+| Preserve `npm run dev:api` | PASS | Command smoke produced expected owner diagnostics. |
+| Preserve `npm run dev:web` | PASS | Command smoke produced expected owner diagnostics. |
+| Preserve `npm run dev:local-api` legacy alias | PASS | Alias remains in `package.json`; startup logging tests pass. |
+| Do not move API/server app files | PASS | No `api/server` ownership changes in this PR. |
+| Do not move www/browser files | PASS | No `www/` files changed. |
+| Do not change product behavior | PASS | Path-only local runtime move plus tests/docs/package references. |
+| Required reports under `dev/reports/` | PASS | Reports generated. |
+| Required ZIP under `dev/workspace/zips/` | PASS | ZIP generated. |
diff --git a/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_validation-report.md b/dev/reports/PR_26180_OWNER_010-move-dev-local-runtime_validation-report.md
@@ -0,0 +1,36 @@
+# PR_26180_OWNER_010 Validation Report
+
+## Commands
+
+| Command | Result |
+| --- | --- |
+| `git diff --check` | PASS |
+| `npm run validate:canonical-structure` | PASS |
+| `node --check dev/local-runtime/start-dev.mjs` | PASS |
+| `node --check dev/local-runtime/start-local-api-server.mjs` | PASS |
+| `node --check dev/local-runtime/team-port-config.mjs` | PASS |
+| `node --check dev/scripts/validate-browser-env-agnostic.mjs` | PASS |
+| `node --check dev/tests/dev-runtime/TeamAwareBootstrap.test.mjs` | PASS |
+| `node --check dev/tests/dev-runtime/LocalApiStartupLogging.test.mjs` | PASS |
+| `node --check dev/tests/dev-runtime/StaticWebRootCompatibility.test.mjs` | PASS |
+| `node ./dev/scripts/run-node-test-files.mjs dev/tests/dev-runtime/TeamAwareBootstrap.test.mjs dev/tests/dev-runtime/LocalApiStartupLogging.test.mjs dev/tests/dev-runtime/StaticWebRootCompatibility.test.mjs` | PASS, 3/3 files and 18/18 subtests |
+
+## Bootstrap Command Smoke
+
+Each command was started through npm, observed until expected diagnostics printed, and then stopped.
+
+| Command | Result |
+| --- | --- |
+| `npm run dev:bootstrap -- --team owner` | PASS |
+| `npm run dev:api -- --team owner` | PASS |
+| `npm run dev:web -- --team owner` | PASS |
+
+Expected diagnostics observed:
+
+- `Mode: bootstrap`, `Team: owner`, `Web URL: http://127.0.0.1:5500`, `API URL: http://127.0.0.1:5501/api`
+- `Mode: api`, `Team: owner`, `API URL: http://127.0.0.1:5501/api`
+- `Mode: web`, `Team: owner`, `Web URL: http://127.0.0.1:5500`
+
+## Playwright
+
+Not run. This PR moves local developer entrypoint file locations and preserves route behavior. Targeted startup diagnostics and command smoke checks cover the changed surface.
diff --git a/dev/reports/codex_changed_files.txt b/dev/reports/codex_changed_files.txt
@@ -1,5 +1,12 @@
-dev/reports/PR_26180_OWNER_009-move-api-application_branch-validation.md
-dev/reports/PR_26180_OWNER_009-move-api-application_manual-validation-notes.md
-dev/reports/PR_26180_OWNER_009-move-api-application_report.md
-dev/reports/PR_26180_OWNER_009-move-api-application_requirement-checklist.md
-dev/reports/PR_26180_OWNER_009-move-api-application_validation-report.md
+dev/build/ProjectInstructions/PROJECT_INSTRUCTIONS.md
+dev/build/ProjectInstructions/PROJECT_INSTRUCTIONS_VERSION.md
+dev/build/ProjectInstructions/PROJECT_STATE.md
+dev/build/ProjectInstructions/backlog/BACKLOG_MASTER.md
+dev/build/ProjectInstructions/repository/canonical_repository_structure.md
+dev/build/ProjectInstructions/repository/repository_layout_architecture_plan.md
+dev/build/ProjectInstructions/repository/www_migration_map.md
+dev/scripts/validate-browser-env-agnostic.mjs
+dev/tests/dev-runtime/LocalApiStartupLogging.test.mjs
+dev/tests/dev-runtime/StaticWebRootCompatibility.test.mjs
+dev/tests/dev-runtime/TeamAwareBootstrap.test.mjs
+package.json