diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 48c1412..51af55b 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -3,6 +3,7 @@
 # Keep release and dependency policy visibly owned by the maintainer.
 /.github/workflows/** @Ezio2000
 /.github/dependabot.yml @Ezio2000
-/python/**/pyproject.toml @Ezio2000
-/python/uv.lock @Ezio2000
+/pyproject.toml @Ezio2000
+/packages/**/pyproject.toml @Ezio2000
+/uv.lock @Ezio2000
 /scripts/** @Ezio2000
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 4eaf005..c08fc4b 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -2,7 +2,7 @@ version: 2
 
 updates:
   - package-ecosystem: uv
-    directory: /python
+    directory: /
     schedule:
       interval: weekly
       day: tuesday
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 55d6df6..0341e17 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,24 +30,24 @@ jobs:
         uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
-          cache-dependency-glob: python/uv.lock
+          cache-dependency-glob: uv.lock
 
       - name: Install locked dependencies
-        run: uv --project python sync --locked
+        run: uv sync --locked
 
       - name: Synchronize pinned specification
-        run: uv --project python run python scripts/sync_spec.py
+        run: uv run python scripts/sync_spec.py
 
       - name: Smoke test conformance entry point
-        run: uv --project python run conformance --help
+        run: uv run conformance --help
 
       - name: Verify coordinated release metadata
-        run: uv --project python run python scripts/verify_release.py
+        run: uv run python scripts/verify_release.py
 
       - name: Check public export documentation
         shell: bash
         run: |
-          uv --project python run python - <<'PY'
+          uv run python - <<'PY'
           import importlib
           import inspect
           import typing
@@ -78,47 +78,47 @@ jobs:
           PY
 
       - name: Lint
-        run: uv --project python run ruff check --config python/pyproject.toml .
+        run: uv run ruff check --config pyproject.toml .
 
       - name: Check formatting
-        run: uv --project python run ruff format --check --config python/pyproject.toml .
+        run: uv run ruff format --check --config pyproject.toml .
 
       - name: Type-check
-        run: uv --project python run pyright --project python
+        run: uv run pyright --project .
 
       - name: Test with branch coverage
         env:
           COVERAGE_FILE: ${{ runner.temp }}/.coverage
         run: >-
-          uv --project python run pytest
-          -c python/pyproject.toml
+          uv run pytest
+          -c pyproject.toml
           -q
           -p no:cacheprovider
           --cov
-          --cov-config=python/pyproject.toml
+          --cov-config=pyproject.toml
           --cov-report=term-missing:skip-covered
 
       - name: Repeat timing and ownership regressions
         shell: bash
         run: |
           for attempt in 1 2 3; do
-            uv --project python run pytest \
-              -c python/pyproject.toml \
+            uv run pytest \
+              -c pyproject.toml \
               -q \
               -p no:cacheprovider \
-              python/kernel/tests/test_runtime.py \
-              python/kernel/tests/test_diagnostics.py
+              packages/kernel/tests/test_runtime.py \
+              packages/kernel/tests/test_diagnostics.py
           done
 
       - name: Build and verify the three product distributions
         shell: bash
         run: |
           for package in jharness-kernel jharness-toolkit jharness-providers; do
-            uv --project python build \
+            uv build \
               --package "$package" \
               --out-dir "$RUNNER_TEMP/dist"
           done
-          uv --project python run python scripts/verify_wheels.py "$RUNNER_TEMP/dist"
+          uv run python scripts/verify_wheels.py "$RUNNER_TEMP/dist"
 
   runtime:
     name: Python ${{ matrix.python-version }} (${{ matrix.os }})
@@ -143,22 +143,22 @@ jobs:
         uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
-          cache-dependency-glob: python/uv.lock
+          cache-dependency-glob: uv.lock
 
       - name: Install locked dependencies
-        run: uv --project python sync --locked
+        run: uv sync --locked
 
       - name: Synchronize pinned specification
-        run: uv --project python run python scripts/sync_spec.py
+        run: uv run python scripts/sync_spec.py
 
       - name: Test runtime
-        run: uv --project python run pytest -c python/pyproject.toml -q -p no:cacheprovider
+        run: uv run pytest -c pyproject.toml -q -p no:cacheprovider
 
       - name: Run conformance CLI
         run: >-
-          uv --project python run conformance
+          uv run conformance
           .jharness-spec/conformance/cases
           --spec-dir .jharness-spec/contracts/v0
 
       - name: Run benchmark
-        run: uv --project python run python benchmarks/runtime_smoke.py
+        run: uv run python benchmarks/runtime_smoke.py
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 681020f..1477603 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -50,53 +50,53 @@ jobs:
         uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
         with:
           enable-cache: true
-          cache-dependency-glob: python/uv.lock
+          cache-dependency-glob: uv.lock
 
       - name: Install locked dependencies
         if: github.event_name == 'push'
-        run: uv --project python sync --locked
+        run: uv sync --locked
 
       - name: Synchronize pinned specification
         if: github.event_name == 'push'
-        run: uv --project python run python scripts/sync_spec.py
+        run: uv run python scripts/sync_spec.py
 
       - name: Verify tag, coordinated versions, and changelog
         if: github.event_name == 'push'
-        run: uv --project python run python scripts/verify_release.py --tag "$RELEASE_TAG"
+        run: uv run python scripts/verify_release.py --tag "$RELEASE_TAG"
 
       - name: Run release quality gate
         if: github.event_name == 'push'
         shell: bash
         run: |
-          uv --project python run ruff check --config python/pyproject.toml .
-          uv --project python run ruff format --check --config python/pyproject.toml .
-          uv --project python run pyright --project python
-          uv --project python run pytest \
-            -c python/pyproject.toml \
+          uv run ruff check --config pyproject.toml .
+          uv run ruff format --check --config pyproject.toml .
+          uv run pyright --project .
+          uv run pytest \
+            -c pyproject.toml \
             -q \
             -p no:cacheprovider \
             --cov \
-            --cov-config=python/pyproject.toml \
+            --cov-config=pyproject.toml \
             --cov-report=term-missing:skip-covered
-          uv --project python run conformance \
+          uv run conformance \
             .jharness-spec/conformance/cases \
             --spec-dir .jharness-spec/contracts/v0
-          uv --project python run python benchmarks/runtime_smoke.py
+          uv run python benchmarks/runtime_smoke.py
 
       - name: Build the three product distributions
         if: github.event_name == 'push'
         shell: bash
         run: |
           for package in jharness-kernel jharness-toolkit jharness-providers; do
-            uv --project python build --package "$package" --out-dir dist
+            uv build --package "$package" --out-dir dist
           done
 
       - name: Verify publishable artifacts
         if: github.event_name == 'push'
         shell: bash
         run: |
-          uv --project python run python scripts/verify_wheels.py dist
-          uv --project python run twine check dist/*
+          uv run python scripts/verify_wheels.py dist
+          uv run twine check dist/*
           sha256sum dist/* > dist/SHA256SUMS
 
       - name: Recover the verified artifact from the failed release
diff --git a/AGENTS.md b/AGENTS.md
index 4caad42..4135bc5 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -42,16 +42,16 @@ complete/stream protocols.
 Python must be managed with `uv`; never use `pip`.
 
 ```bash
-uv --project python sync --locked
-uv --project python run python scripts/sync_spec.py
-uv --project python run pytest -c python/pyproject.toml -q -p no:cacheprovider
-uv --project python run ruff check --config python/pyproject.toml .
-uv --project python run ruff format --check --config python/pyproject.toml .
-uv --project python run pyright --project python
-uv --project python run conformance \
+uv sync --locked
+uv run python scripts/sync_spec.py
+uv run pytest -c pyproject.toml -q -p no:cacheprovider
+uv run ruff check --config pyproject.toml .
+uv run ruff format --check --config pyproject.toml .
+uv run pyright --project .
+uv run conformance \
   .jharness-spec/conformance/cases \
   --spec-dir .jharness-spec/contracts/v0
-uv --project python run python benchmarks/runtime_smoke.py
+uv run python benchmarks/runtime_smoke.py
 ```
 
 Do not claim completion until the spec pin, implementation, dependency gates,
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35de3a0..c1dbab6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,14 @@ versions follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.1.2] - 2026-07-15
+
+### Changed
+
+- Moved the uv workspace to the repository root and grouped all workspace
+  projects under `packages/`, removing the redundant top-level `python/`
+  directory.
+
 ## [0.1.1] - 2026-07-15
 
 ### Changed
@@ -31,6 +39,7 @@ versions follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 - Portable v0 contracts, 66 conformance cases, diagnostics, and trace verification.
 - Per-distribution Trusted Publisher environments for credential-free first releases.
 
-[Unreleased]: https://github.com/Ezio2000/jharness-python/compare/v0.1.1...HEAD
+[Unreleased]: https://github.com/Ezio2000/jharness-python/compare/v0.1.2...HEAD
+[0.1.2]: https://github.com/Ezio2000/jharness-python/compare/v0.1.1...v0.1.2
 [0.1.1]: https://github.com/Ezio2000/jharness-python/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/Ezio2000/jharness-python/releases/tag/v0.1.0
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 32d3c6f..740b7f2 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,13 +4,13 @@ JHarness Python changes must preserve the architecture and package boundaries in
 `AGENTS.md`. Python is managed exclusively with `uv`.
 
 ```bash
-uv --project python sync --locked
-uv --project python run python scripts/sync_spec.py
-uv --project python run pytest -c python/pyproject.toml -q -p no:cacheprovider
-uv --project python run ruff check --config python/pyproject.toml .
-uv --project python run ruff format --check --config python/pyproject.toml .
-uv --project python run pyright --project python
-uv --project python run conformance \
+uv sync --locked
+uv run python scripts/sync_spec.py
+uv run pytest -c pyproject.toml -q -p no:cacheprovider
+uv run ruff check --config pyproject.toml .
+uv run ruff format --check --config pyproject.toml .
+uv run pyright --project .
+uv run conformance \
   .jharness-spec/conformance/cases \
   --spec-dir .jharness-spec/contracts/v0
 ```
diff --git a/README.md b/README.md
index ad1e1c6..41ec0d1 100644
--- a/README.md
+++ b/README.md
@@ -39,16 +39,16 @@ verifies its digest before running conformance.
 Python is managed exclusively with `uv`; do not use `pip`.
 
 ```bash
-uv --project python sync --locked
-uv --project python run python scripts/sync_spec.py
-uv --project python run pytest -c python/pyproject.toml -q -p no:cacheprovider
-uv --project python run ruff check --config python/pyproject.toml .
-uv --project python run ruff format --check --config python/pyproject.toml .
-uv --project python run pyright --project python
-uv --project python run conformance \
+uv sync --locked
+uv run python scripts/sync_spec.py
+uv run pytest -c pyproject.toml -q -p no:cacheprovider
+uv run ruff check --config pyproject.toml .
+uv run ruff format --check --config pyproject.toml .
+uv run pyright --project .
+uv run conformance \
   .jharness-spec/conformance/cases \
   --spec-dir .jharness-spec/contracts/v0
-uv --project python run python benchmarks/runtime_smoke.py
+uv run python benchmarks/runtime_smoke.py
 ```
 
 ## Documentation
diff --git a/docs/model-providers.md b/docs/model-providers.md
index 014df3d..749f923 100644
--- a/docs/model-providers.md
+++ b/docs/model-providers.md
@@ -225,7 +225,7 @@ uses in one response; callers should control runtime execution concurrency with
 ## Testing
 
 Provider adapter behavior is tested in the owning package under
-`python/providers/tests`.
+`packages/providers/tests`.
 
 Default tests use mocked HTTP transports and cover each Chat Completions feature
 independently, including message/content encoding, model options, tool choice,
diff --git a/docs/performance.md b/docs/performance.md
index a4bfcbf..e015203 100644
--- a/docs/performance.md
+++ b/docs/performance.md
@@ -69,7 +69,7 @@ content checksum.
 Run from the repository root with the uv-selected interpreter:
 
 ```bash
-uv --project python run python benchmarks/runtime_smoke.py
+uv run python benchmarks/runtime_smoke.py
 ```
 
 The benchmark compares identical asynchronous tools under serial and
diff --git a/docs/python-package-boundaries.md b/docs/python-package-boundaries.md
index b8b00e2..f994e76 100644
--- a/docs/python-package-boundaries.md
+++ b/docs/python-package-boundaries.md
@@ -1,7 +1,8 @@
 # Python Package Boundaries
 
-Python uses a uv workspace rooted at `python/` with standard `src` layouts.
-Commands run from the repository root with `uv --project python`.
+Python uses a uv workspace rooted at the repository root with standard `src`
+layouts under `packages/`. Commands run directly from the repository root with
+`uv`.
 
 ## Distributions and Workspace Projects
 
@@ -58,9 +59,9 @@ transitive package is never treated as an implicit direct dependency.
 ## Source Layout
 
 ```text
-python/
-  pyproject.toml
-  uv.lock
+pyproject.toml
+uv.lock
+packages/
   kernel/
     pyproject.toml
     src/jharness/kernel/
diff --git a/docs/releasing.md b/docs/releasing.md
index 6da504e..89f0025 100644
--- a/docs/releasing.md
+++ b/docs/releasing.md
@@ -57,23 +57,23 @@ short-lived OIDC credential from each package index.
 6. Refresh and verify the lock file:
 
    ```bash
-   uv --project python lock
-   uv --project python sync --locked
-   uv --project python run python scripts/sync_spec.py
+   uv lock
+   uv sync --locked
+   uv run python scripts/sync_spec.py
    ```
 
 7. Run the local release gate:
 
    ```bash
-   uv --project python run python scripts/verify_release.py
-   uv --project python run pytest -c python/pyproject.toml -q -p no:cacheprovider
-   uv --project python run ruff check --config python/pyproject.toml .
-   uv --project python run ruff format --check --config python/pyproject.toml .
-   uv --project python run pyright --project python
-   uv --project python run conformance \
+   uv run python scripts/verify_release.py
+   uv run pytest -c pyproject.toml -q -p no:cacheprovider
+   uv run ruff check --config pyproject.toml .
+   uv run ruff format --check --config pyproject.toml .
+   uv run pyright --project .
+   uv run conformance \
      .jharness-spec/conformance/cases \
      --spec-dir .jharness-spec/contracts/v0
-   uv --project python run python benchmarks/runtime_smoke.py
+   uv run python benchmarks/runtime_smoke.py
    ```
 
 The pull request must merge before the release tag is created. Do not build or upload
diff --git a/python/conformance/README.md b/packages/conformance/README.md
similarity index 95%
rename from python/conformance/README.md
rename to packages/conformance/README.md
index 173b4bb..9980c65 100644
--- a/python/conformance/README.md
+++ b/packages/conformance/README.md
@@ -12,7 +12,7 @@ normative runner contract, while this project contains Python implementation
 code. This project is never included in product builds.
 
 ```bash
-uv --project python run conformance \
+uv run conformance \
   .jharness-spec/conformance/cases \
   --spec-dir .jharness-spec/contracts/v0
 ```
diff --git a/python/conformance/pyproject.toml b/packages/conformance/pyproject.toml
similarity index 100%
rename from python/conformance/pyproject.toml
rename to packages/conformance/pyproject.toml
diff --git a/python/conformance/src/conformance/__init__.py b/packages/conformance/src/conformance/__init__.py
similarity index 100%
rename from python/conformance/src/conformance/__init__.py
rename to packages/conformance/src/conformance/__init__.py
diff --git a/python/conformance/src/conformance/_execution.py b/packages/conformance/src/conformance/_execution.py
similarity index 100%
rename from python/conformance/src/conformance/_execution.py
rename to packages/conformance/src/conformance/_execution.py
diff --git a/python/conformance/src/conformance/_expectations.py b/packages/conformance/src/conformance/_expectations.py
similarity index 100%
rename from python/conformance/src/conformance/_expectations.py
rename to packages/conformance/src/conformance/_expectations.py
diff --git a/python/conformance/src/conformance/_model.py b/packages/conformance/src/conformance/_model.py
similarity index 100%
rename from python/conformance/src/conformance/_model.py
rename to packages/conformance/src/conformance/_model.py
diff --git a/python/conformance/src/conformance/_schemas.py b/packages/conformance/src/conformance/_schemas.py
similarity index 100%
rename from python/conformance/src/conformance/_schemas.py
rename to packages/conformance/src/conformance/_schemas.py
diff --git a/python/conformance/src/conformance/_tools.py b/packages/conformance/src/conformance/_tools.py
similarity index 100%
rename from python/conformance/src/conformance/_tools.py
rename to packages/conformance/src/conformance/_tools.py
diff --git a/python/conformance/src/conformance/_validation.py b/packages/conformance/src/conformance/_validation.py
similarity index 100%
rename from python/conformance/src/conformance/_validation.py
rename to packages/conformance/src/conformance/_validation.py
diff --git a/python/conformance/src/conformance/_values.py b/packages/conformance/src/conformance/_values.py
similarity index 100%
rename from python/conformance/src/conformance/_values.py
rename to packages/conformance/src/conformance/_values.py
diff --git a/python/conformance/src/conformance/cli.py b/packages/conformance/src/conformance/cli.py
similarity index 100%
rename from python/conformance/src/conformance/cli.py
rename to packages/conformance/src/conformance/cli.py
diff --git a/python/conformance/src/conformance/py.typed b/packages/conformance/src/conformance/py.typed
similarity index 100%
rename from python/conformance/src/conformance/py.typed
rename to packages/conformance/src/conformance/py.typed
diff --git a/python/conformance/src/conformance/runner.py b/packages/conformance/src/conformance/runner.py
similarity index 100%
rename from python/conformance/src/conformance/runner.py
rename to packages/conformance/src/conformance/runner.py
diff --git a/python/conformance/tests/test_conformance.py b/packages/conformance/tests/test_conformance.py
similarity index 100%
rename from python/conformance/tests/test_conformance.py
rename to packages/conformance/tests/test_conformance.py
diff --git a/python/kernel/LICENSE b/packages/kernel/LICENSE
similarity index 100%
rename from python/kernel/LICENSE
rename to packages/kernel/LICENSE
diff --git a/python/kernel/README.md b/packages/kernel/README.md
similarity index 100%
rename from python/kernel/README.md
rename to packages/kernel/README.md
diff --git a/python/kernel/pyproject.toml b/packages/kernel/pyproject.toml
similarity index 98%
rename from python/kernel/pyproject.toml
rename to packages/kernel/pyproject.toml
index 23be3f2..6de0008 100644
--- a/python/kernel/pyproject.toml
+++ b/packages/kernel/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "jharness-kernel"
-version = "0.1.1"
+version = "0.1.2"
 description = "JHarness model-neutral immutable runtime kernel"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/python/kernel/src/jharness/kernel/__init__.py b/packages/kernel/src/jharness/kernel/__init__.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/__init__.py
rename to packages/kernel/src/jharness/kernel/__init__.py
diff --git a/python/kernel/src/jharness/kernel/_digest.py b/packages/kernel/src/jharness/kernel/_digest.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_digest.py
rename to packages/kernel/src/jharness/kernel/_digest.py
diff --git a/python/kernel/src/jharness/kernel/_engine/__init__.py b/packages/kernel/src/jharness/kernel/_engine/__init__.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/__init__.py
rename to packages/kernel/src/jharness/kernel/_engine/__init__.py
diff --git a/python/kernel/src/jharness/kernel/_engine/change.py b/packages/kernel/src/jharness/kernel/_engine/change.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/change.py
rename to packages/kernel/src/jharness/kernel/_engine/change.py
diff --git a/python/kernel/src/jharness/kernel/_engine/commit.py b/packages/kernel/src/jharness/kernel/_engine/commit.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/commit.py
rename to packages/kernel/src/jharness/kernel/_engine/commit.py
diff --git a/python/kernel/src/jharness/kernel/_engine/deadline.py b/packages/kernel/src/jharness/kernel/_engine/deadline.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/deadline.py
rename to packages/kernel/src/jharness/kernel/_engine/deadline.py
diff --git a/python/kernel/src/jharness/kernel/_engine/engine.py b/packages/kernel/src/jharness/kernel/_engine/engine.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/engine.py
rename to packages/kernel/src/jharness/kernel/_engine/engine.py
diff --git a/python/kernel/src/jharness/kernel/_engine/planning.py b/packages/kernel/src/jharness/kernel/_engine/planning.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/planning.py
rename to packages/kernel/src/jharness/kernel/_engine/planning.py
diff --git a/python/kernel/src/jharness/kernel/_engine/tooling.py b/packages/kernel/src/jharness/kernel/_engine/tooling.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/tooling.py
rename to packages/kernel/src/jharness/kernel/_engine/tooling.py
diff --git a/python/kernel/src/jharness/kernel/_engine/verification.py b/packages/kernel/src/jharness/kernel/_engine/verification.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_engine/verification.py
rename to packages/kernel/src/jharness/kernel/_engine/verification.py
diff --git a/python/kernel/src/jharness/kernel/_history.py b/packages/kernel/src/jharness/kernel/_history.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_history.py
rename to packages/kernel/src/jharness/kernel/_history.py
diff --git a/python/kernel/src/jharness/kernel/_validation.py b/packages/kernel/src/jharness/kernel/_validation.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/_validation.py
rename to packages/kernel/src/jharness/kernel/_validation.py
diff --git a/python/kernel/src/jharness/kernel/approval.py b/packages/kernel/src/jharness/kernel/approval.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/approval.py
rename to packages/kernel/src/jharness/kernel/approval.py
diff --git a/python/kernel/src/jharness/kernel/checkpoint.py b/packages/kernel/src/jharness/kernel/checkpoint.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/checkpoint.py
rename to packages/kernel/src/jharness/kernel/checkpoint.py
diff --git a/python/kernel/src/jharness/kernel/commands.py b/packages/kernel/src/jharness/kernel/commands.py
similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
rename from python/kernel/src/jharness/kernel/wire/events.py
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similarity index 100%
rename from python/kernel/src/jharness/kernel/wire/messages.py
rename to packages/kernel/src/jharness/kernel/wire/messages.py
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similarity index 100%
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similarity index 100%
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similarity index 100%
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similarity index 100%
rename from python/kernel/src/jharness/kernel/wire/state.py
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similarity index 100%
rename from python/kernel/src/jharness/kernel/wire/tools.py
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diff --git a/python/kernel/src/jharness/kernel/wire/trace.py b/packages/kernel/src/jharness/kernel/wire/trace.py
similarity index 100%
rename from python/kernel/src/jharness/kernel/wire/trace.py
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diff --git a/python/kernel/tests/test_diagnostics.py b/packages/kernel/tests/test_diagnostics.py
similarity index 100%
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diff --git a/python/kernel/tests/test_runtime.py b/packages/kernel/tests/test_runtime.py
similarity index 100%
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diff --git a/python/kernel/tests/test_runtime_concurrency_edges.py b/packages/kernel/tests/test_runtime_concurrency_edges.py
similarity index 100%
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rename to packages/kernel/tests/test_runtime_concurrency_edges.py
diff --git a/python/kernel/tests/test_values.py b/packages/kernel/tests/test_values.py
similarity index 100%
rename from python/kernel/tests/test_values.py
rename to packages/kernel/tests/test_values.py
diff --git a/python/kernel/tests/test_wire.py b/packages/kernel/tests/test_wire.py
similarity index 100%
rename from python/kernel/tests/test_wire.py
rename to packages/kernel/tests/test_wire.py
diff --git a/python/providers/LICENSE b/packages/providers/LICENSE
similarity index 100%
rename from python/providers/LICENSE
rename to packages/providers/LICENSE
diff --git a/python/providers/README.md b/packages/providers/README.md
similarity index 100%
rename from python/providers/README.md
rename to packages/providers/README.md
diff --git a/python/providers/pyproject.toml b/packages/providers/pyproject.toml
similarity index 98%
rename from python/providers/pyproject.toml
rename to packages/providers/pyproject.toml
index ff3541d..b509d9a 100644
--- a/python/providers/pyproject.toml
+++ b/packages/providers/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "jharness-providers"
-version = "0.1.1"
+version = "0.1.2"
 description = "Concrete model provider adapters for the JHarness runtime"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/python/providers/src/jharness/providers/__init__.py b/packages/providers/src/jharness/providers/__init__.py
similarity index 100%
rename from python/providers/src/jharness/providers/__init__.py
rename to packages/providers/src/jharness/providers/__init__.py
diff --git a/python/providers/src/jharness/providers/_http.py b/packages/providers/src/jharness/providers/_http.py
similarity index 100%
rename from python/providers/src/jharness/providers/_http.py
rename to packages/providers/src/jharness/providers/_http.py
diff --git a/python/providers/src/jharness/providers/_json.py b/packages/providers/src/jharness/providers/_json.py
similarity index 100%
rename from python/providers/src/jharness/providers/_json.py
rename to packages/providers/src/jharness/providers/_json.py
diff --git a/python/providers/src/jharness/providers/_profiles.py b/packages/providers/src/jharness/providers/_profiles.py
similarity index 100%
rename from python/providers/src/jharness/providers/_profiles.py
rename to packages/providers/src/jharness/providers/_profiles.py
diff --git a/python/providers/src/jharness/providers/_stream.py b/packages/providers/src/jharness/providers/_stream.py
similarity index 100%
rename from python/providers/src/jharness/providers/_stream.py
rename to packages/providers/src/jharness/providers/_stream.py
diff --git a/python/providers/src/jharness/providers/anthropic/__init__.py b/packages/providers/src/jharness/providers/anthropic/__init__.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/__init__.py
rename to packages/providers/src/jharness/providers/anthropic/__init__.py
diff --git a/python/providers/src/jharness/providers/anthropic/errors.py b/packages/providers/src/jharness/providers/anthropic/errors.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/errors.py
rename to packages/providers/src/jharness/providers/anthropic/errors.py
diff --git a/python/providers/src/jharness/providers/anthropic/messages_api/__init__.py b/packages/providers/src/jharness/providers/anthropic/messages_api/__init__.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/messages_api/__init__.py
rename to packages/providers/src/jharness/providers/anthropic/messages_api/__init__.py
diff --git a/python/providers/src/jharness/providers/anthropic/messages_api/client.py b/packages/providers/src/jharness/providers/anthropic/messages_api/client.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/messages_api/client.py
rename to packages/providers/src/jharness/providers/anthropic/messages_api/client.py
diff --git a/python/providers/src/jharness/providers/anthropic/messages_api/codec.py b/packages/providers/src/jharness/providers/anthropic/messages_api/codec.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/messages_api/codec.py
rename to packages/providers/src/jharness/providers/anthropic/messages_api/codec.py
diff --git a/python/providers/src/jharness/providers/anthropic/messages_api/messages.py b/packages/providers/src/jharness/providers/anthropic/messages_api/messages.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/messages_api/messages.py
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diff --git a/python/providers/src/jharness/providers/anthropic/messages_api/stream.py b/packages/providers/src/jharness/providers/anthropic/messages_api/stream.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/messages_api/stream.py
rename to packages/providers/src/jharness/providers/anthropic/messages_api/stream.py
diff --git a/python/providers/src/jharness/providers/anthropic/messages_api/tools.py b/packages/providers/src/jharness/providers/anthropic/messages_api/tools.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/messages_api/tools.py
rename to packages/providers/src/jharness/providers/anthropic/messages_api/tools.py
diff --git a/python/providers/src/jharness/providers/anthropic/profiles.py b/packages/providers/src/jharness/providers/anthropic/profiles.py
similarity index 100%
rename from python/providers/src/jharness/providers/anthropic/profiles.py
rename to packages/providers/src/jharness/providers/anthropic/profiles.py
diff --git a/python/providers/src/jharness/providers/deepseek/__init__.py b/packages/providers/src/jharness/providers/deepseek/__init__.py
similarity index 100%
rename from python/providers/src/jharness/providers/deepseek/__init__.py
rename to packages/providers/src/jharness/providers/deepseek/__init__.py
diff --git a/python/providers/src/jharness/providers/deepseek/profiles.py b/packages/providers/src/jharness/providers/deepseek/profiles.py
similarity index 100%
rename from python/providers/src/jharness/providers/deepseek/profiles.py
rename to packages/providers/src/jharness/providers/deepseek/profiles.py
diff --git a/python/providers/src/jharness/providers/openai/__init__.py b/packages/providers/src/jharness/providers/openai/__init__.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/__init__.py
rename to packages/providers/src/jharness/providers/openai/__init__.py
diff --git a/python/providers/src/jharness/providers/openai/chat_completions/__init__.py b/packages/providers/src/jharness/providers/openai/chat_completions/__init__.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/chat_completions/__init__.py
rename to packages/providers/src/jharness/providers/openai/chat_completions/__init__.py
diff --git a/python/providers/src/jharness/providers/openai/chat_completions/client.py b/packages/providers/src/jharness/providers/openai/chat_completions/client.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/chat_completions/client.py
rename to packages/providers/src/jharness/providers/openai/chat_completions/client.py
diff --git a/python/providers/src/jharness/providers/openai/chat_completions/codec.py b/packages/providers/src/jharness/providers/openai/chat_completions/codec.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/chat_completions/codec.py
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diff --git a/python/providers/src/jharness/providers/openai/chat_completions/messages.py b/packages/providers/src/jharness/providers/openai/chat_completions/messages.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/chat_completions/messages.py
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diff --git a/python/providers/src/jharness/providers/openai/chat_completions/stream.py b/packages/providers/src/jharness/providers/openai/chat_completions/stream.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/chat_completions/stream.py
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diff --git a/python/providers/src/jharness/providers/openai/chat_completions/tools.py b/packages/providers/src/jharness/providers/openai/chat_completions/tools.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/chat_completions/tools.py
rename to packages/providers/src/jharness/providers/openai/chat_completions/tools.py
diff --git a/python/providers/src/jharness/providers/openai/errors.py b/packages/providers/src/jharness/providers/openai/errors.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/errors.py
rename to packages/providers/src/jharness/providers/openai/errors.py
diff --git a/python/providers/src/jharness/providers/openai/profiles.py b/packages/providers/src/jharness/providers/openai/profiles.py
similarity index 100%
rename from python/providers/src/jharness/providers/openai/profiles.py
rename to packages/providers/src/jharness/providers/openai/profiles.py
diff --git a/python/providers/src/jharness/providers/py.typed b/packages/providers/src/jharness/providers/py.typed
similarity index 100%
rename from python/providers/src/jharness/providers/py.typed
rename to packages/providers/src/jharness/providers/py.typed
diff --git a/python/providers/tests/test_anthropic_provider.py b/packages/providers/tests/test_anthropic_provider.py
similarity index 100%
rename from python/providers/tests/test_anthropic_provider.py
rename to packages/providers/tests/test_anthropic_provider.py
diff --git a/python/providers/tests/test_http_errors.py b/packages/providers/tests/test_http_errors.py
similarity index 100%
rename from python/providers/tests/test_http_errors.py
rename to packages/providers/tests/test_http_errors.py
diff --git a/python/providers/tests/test_message_codecs.py b/packages/providers/tests/test_message_codecs.py
similarity index 100%
rename from python/providers/tests/test_message_codecs.py
rename to packages/providers/tests/test_message_codecs.py
diff --git a/python/providers/tests/test_openai_provider.py b/packages/providers/tests/test_openai_provider.py
similarity index 100%
rename from python/providers/tests/test_openai_provider.py
rename to packages/providers/tests/test_openai_provider.py
diff --git a/python/providers/tests/test_profiles.py b/packages/providers/tests/test_profiles.py
similarity index 100%
rename from python/providers/tests/test_profiles.py
rename to packages/providers/tests/test_profiles.py
diff --git a/python/providers/tests/test_provider_codec_edges.py b/packages/providers/tests/test_provider_codec_edges.py
similarity index 100%
rename from python/providers/tests/test_provider_codec_edges.py
rename to packages/providers/tests/test_provider_codec_edges.py
diff --git a/python/providers/tests/test_provider_stream_edges.py b/packages/providers/tests/test_provider_stream_edges.py
similarity index 100%
rename from python/providers/tests/test_provider_stream_edges.py
rename to packages/providers/tests/test_provider_stream_edges.py
diff --git a/python/providers/tests/test_stream_accumulator.py b/packages/providers/tests/test_stream_accumulator.py
similarity index 100%
rename from python/providers/tests/test_stream_accumulator.py
rename to packages/providers/tests/test_stream_accumulator.py
diff --git a/python/toolkit/LICENSE b/packages/toolkit/LICENSE
similarity index 100%
rename from python/toolkit/LICENSE
rename to packages/toolkit/LICENSE
diff --git a/python/toolkit/README.md b/packages/toolkit/README.md
similarity index 100%
rename from python/toolkit/README.md
rename to packages/toolkit/README.md
diff --git a/python/toolkit/pyproject.toml b/packages/toolkit/pyproject.toml
similarity index 98%
rename from python/toolkit/pyproject.toml
rename to packages/toolkit/pyproject.toml
index 61e515d..fdc6013 100644
--- a/python/toolkit/pyproject.toml
+++ b/packages/toolkit/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "jharness-toolkit"
-version = "0.1.1"
+version = "0.1.2"
 description = "JHarness tool registry, validation helpers, and execution decorators"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/python/toolkit/src/jharness/toolkit/__init__.py b/packages/toolkit/src/jharness/toolkit/__init__.py
similarity index 100%
rename from python/toolkit/src/jharness/toolkit/__init__.py
rename to packages/toolkit/src/jharness/toolkit/__init__.py
diff --git a/python/toolkit/src/jharness/toolkit/decorators.py b/packages/toolkit/src/jharness/toolkit/decorators.py
similarity index 100%
rename from python/toolkit/src/jharness/toolkit/decorators.py
rename to packages/toolkit/src/jharness/toolkit/decorators.py
diff --git a/python/toolkit/src/jharness/toolkit/py.typed b/packages/toolkit/src/jharness/toolkit/py.typed
similarity index 100%
rename from python/toolkit/src/jharness/toolkit/py.typed
rename to packages/toolkit/src/jharness/toolkit/py.typed
diff --git a/python/toolkit/src/jharness/toolkit/registry.py b/packages/toolkit/src/jharness/toolkit/registry.py
similarity index 100%
rename from python/toolkit/src/jharness/toolkit/registry.py
rename to packages/toolkit/src/jharness/toolkit/registry.py
diff --git a/python/toolkit/src/jharness/toolkit/tool.py b/packages/toolkit/src/jharness/toolkit/tool.py
similarity index 100%
rename from python/toolkit/src/jharness/toolkit/tool.py
rename to packages/toolkit/src/jharness/toolkit/tool.py
diff --git a/python/toolkit/tests/test_toolkit.py b/packages/toolkit/tests/test_toolkit.py
similarity index 100%
rename from python/toolkit/tests/test_toolkit.py
rename to packages/toolkit/tests/test_toolkit.py
diff --git a/python/pyproject.toml b/pyproject.toml
similarity index 87%
rename from python/pyproject.toml
rename to pyproject.toml
index 12b1acf..bc54d9e 100644
--- a/python/pyproject.toml
+++ b/pyproject.toml
@@ -25,10 +25,10 @@ jharness-toolkit = { workspace = true }
 
 [tool.uv.workspace]
 members = [
-  "conformance",
-  "kernel",
-  "providers",
-  "toolkit",
+  "packages/conformance",
+  "packages/kernel",
+  "packages/providers",
+  "packages/toolkit",
 ]
 
 [dependency-groups]
@@ -57,7 +57,7 @@ known-first-party = ["conformance", "jharness"]
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
-testpaths = [".", "../tests"]
+testpaths = ["packages", "tests"]
 
 [tool.coverage.run]
 branch = true
@@ -75,6 +75,6 @@ show_missing = true
 skip_covered = true
 
 [tool.pyright]
-include = [".", "../benchmarks", "../examples", "../tests"]
+include = ["packages", "benchmarks", "examples", "tests"]
 pythonVersion = "3.11"
 typeCheckingMode = "strict"
diff --git a/scripts/clean_workspace.py b/scripts/clean_workspace.py
index 86b6a78..a2ed5af 100644
--- a/scripts/clean_workspace.py
+++ b/scripts/clean_workspace.py
@@ -18,7 +18,7 @@
 )
 _GENERATED_FILE_NAMES = frozenset({".coverage", ".DS_Store"})
 _GENERATED_FILE_SUFFIXES = frozenset({".pyc", ".pyo"})
-_PROTECTED_PATHS = (Path(".git"), Path("python/.venv"))
+_PROTECTED_PATHS = (Path(".git"), Path(".venv"))
 
 
 @dataclass(frozen=True, slots=True)
@@ -44,7 +44,7 @@ def _is_protected(path: Path, root: Path) -> bool:
 
 
 def _project_roots(root: Path) -> tuple[Path, ...]:
-    return (root, *(root / "python" / project for project in _PROJECTS))
+    return (root, *(root / "packages" / project for project in _PROJECTS))
 
 
 def _minimal_targets(paths: set[Path], root: Path) -> tuple[Path, ...]:
@@ -66,9 +66,6 @@ def _initial_targets(root: Path) -> set[Path]:
     synced_spec = root / ".jharness-spec"
     if synced_spec.exists() or synced_spec.is_symlink():
         targets.add(synced_spec)
-    root_environment = root / ".venv"
-    if root_environment.exists() or root_environment.is_symlink():
-        targets.add(root_environment)
     for project_root in _project_roots(root):
         for name in _PROJECT_OUTPUT_NAMES:
             candidate = project_root / name
@@ -108,7 +105,7 @@ def build_cleanup_plan(root: Path) -> CleanupPlan:
     """Collect generated targets without traversing protected environments."""
 
     root = root.resolve()
-    if not (root / "python" / "pyproject.toml").is_file():
+    if not (root / "pyproject.toml").is_file():
         raise ValueError(f"not a recognized workspace root: {root}")
 
     targets = _initial_targets(root)
@@ -151,15 +148,6 @@ def main() -> int:
         print("workspace is clean")
         return 0
 
-    root_environment = root / ".venv"
-    if args.apply and _is_within(Path(sys.prefix).resolve(), root_environment.resolve()):
-        print(
-            "workspace cleanup failed: run through `uv --project python`; "
-            "the active interpreter is inside the disposable root .venv",
-            file=sys.stderr,
-        )
-        return 1
-
     action = "removing" if args.apply else "would remove"
     for path in plan.targets:
         print(f"{action} {_relative(path, root)}")
diff --git a/scripts/verify_release.py b/scripts/verify_release.py
index 3d282b7..38efc9e 100644
--- a/scripts/verify_release.py
+++ b/scripts/verify_release.py
@@ -28,7 +28,7 @@
 
 
 def _project(owner: str) -> dict[str, Any]:
-    path = ROOT / "python" / owner / "pyproject.toml"
+    path = ROOT / "packages" / owner / "pyproject.toml"
     document = tomllib.loads(path.read_text())
     return cast(dict[str, Any], document["project"])
 
diff --git a/tests/README.md b/tests/README.md
index bbc7838..1629858 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -6,10 +6,10 @@ documentation links, examples, and repository maintenance tools.
 
 Behavior owned by one Python project stays with that project:
 
-- kernel runtime and wire behavior: [`python/kernel/tests`](../python/kernel/tests/);
-- concrete tool support: [`python/toolkit/tests`](../python/toolkit/tests/);
-- provider adapters: [`python/providers/tests`](../python/providers/tests/);
-- Python fixture-runner behavior: [`python/conformance/tests`](../python/conformance/tests/).
+- kernel runtime and wire behavior: [`packages/kernel/tests`](../packages/kernel/tests/);
+- concrete tool support: [`packages/toolkit/tests`](../packages/toolkit/tests/);
+- provider adapters: [`packages/providers/tests`](../packages/providers/tests/);
+- Python fixture-runner behavior: [`packages/conformance/tests`](../packages/conformance/tests/).
 
 Portable runtime behavior belongs in the pinned specification snapshot under
 `.jharness-spec/conformance/cases`,
diff --git a/tests/test_dependency_boundaries.py b/tests/test_dependency_boundaries.py
index 2f8e6a2..592a2c9 100644
--- a/tests/test_dependency_boundaries.py
+++ b/tests/test_dependency_boundaries.py
@@ -8,7 +8,7 @@
 from typing import Any, cast
 
 ROOT = Path(__file__).resolve().parents[1]
-PYTHON = ROOT / "python"
+PACKAGES = ROOT / "packages"
 PROJECTS = {"kernel", "toolkit", "providers", "conformance"}
 IMPORT_ROOTS = {
     "kernel": "jharness.kernel",
@@ -45,10 +45,10 @@
     "conformance": {"conformance"},
 }
 SOURCE_ROOTS = {
-    "kernel": PYTHON / "kernel" / "src" / "jharness" / "kernel",
-    "toolkit": PYTHON / "toolkit" / "src" / "jharness" / "toolkit",
-    "providers": PYTHON / "providers" / "src" / "jharness" / "providers",
-    "conformance": PYTHON / "conformance" / "src" / "conformance",
+    "kernel": PACKAGES / "kernel" / "src" / "jharness" / "kernel",
+    "toolkit": PACKAGES / "toolkit" / "src" / "jharness" / "toolkit",
+    "providers": PACKAGES / "providers" / "src" / "jharness" / "providers",
+    "conformance": PACKAGES / "conformance" / "src" / "conformance",
 }
 
 
@@ -79,7 +79,7 @@ def requirement_name(requirement: str) -> str:
 
 
 def project_dependencies(owner: str) -> set[str]:
-    document = tomllib.loads((PYTHON / owner / "pyproject.toml").read_text())
+    document = tomllib.loads((PACKAGES / owner / "pyproject.toml").read_text())
     project = cast(dict[str, Any], document["project"])
     dependencies = cast(list[str], project.get("dependencies", []))
     return {
@@ -133,11 +133,17 @@ def test_kernel_has_only_standard_library_dependencies() -> None:
 
 
 def test_workspace_contains_three_products_and_one_development_project() -> None:
-    workspace = tomllib.loads((PYTHON / "pyproject.toml").read_text())
+    workspace = tomllib.loads((ROOT / "pyproject.toml").read_text())
     uv = cast(dict[str, Any], workspace["tool"])["uv"]
     members = set(cast(list[str], cast(dict[str, Any], uv)["workspace"]["members"]))
-    assert members == {"kernel", "toolkit", "providers", "conformance"}
-    assert {PROJECT_NAMES[member] for member in members if member != "conformance"} == {
+    assert members == {
+        "packages/kernel",
+        "packages/toolkit",
+        "packages/providers",
+        "packages/conformance",
+    }
+    owners = {Path(member).name for member in members}
+    assert {PROJECT_NAMES[owner] for owner in owners if owner != "conformance"} == {
         "jharness-kernel",
         "jharness-toolkit",
         "jharness-providers",
@@ -146,7 +152,7 @@ def test_workspace_contains_three_products_and_one_development_project() -> None
 
 def test_workspace_projects_declare_local_readmes() -> None:
     for owner in sorted(PROJECTS):
-        project_root = PYTHON / owner
+        project_root = PACKAGES / owner
         document = tomllib.loads((project_root / "pyproject.toml").read_text())
         project = cast(dict[str, Any], document["project"])
         assert project.get("readme") == "README.md"
@@ -155,7 +161,7 @@ def test_workspace_projects_declare_local_readmes() -> None:
 
 def test_product_namespace_has_single_owner_per_child_and_no_shared_initializer() -> None:
     for owner in ("kernel", "toolkit", "providers"):
-        namespace = PYTHON / owner / "src" / "jharness"
+        namespace = PACKAGES / owner / "src" / "jharness"
         assert not (namespace / "__init__.py").exists()
         assert {path.name for path in namespace.iterdir() if path.is_dir()} == {owner}
         assert (namespace / owner / "__init__.py").is_file()
@@ -163,3 +169,4 @@ def test_product_namespace_has_single_owner_per_child_and_no_shared_initializer(
 
 def test_repository_has_no_language_aggregation_tree() -> None:
     assert not (ROOT / "sdks").exists()
+    assert not (ROOT / "python").exists()
diff --git a/tests/test_examples_and_docs.py b/tests/test_examples_and_docs.py
index 80a1b92..30813cc 100644
--- a/tests/test_examples_and_docs.py
+++ b/tests/test_examples_and_docs.py
@@ -35,7 +35,7 @@ def test_every_local_markdown_link_resolves() -> None:
     broken: list[str] = []
     markdown_files = [ROOT / "README.md", ROOT / "AGENTS.md"]
     markdown_files.extend((ROOT / "docs").rglob("*.md"))
-    markdown_files.extend((ROOT / "python").glob("*/README.md"))
+    markdown_files.extend((ROOT / "packages").glob("*/README.md"))
     markdown_files.extend((ROOT / "tests").glob("*.md"))
     pattern = re.compile(r"\[[^\]]+\]\(([^)]+)\)")
     for path in markdown_files:
@@ -57,7 +57,7 @@ def test_ci_references_existing_sources_and_required_commands() -> None:
 
     referenced = set(
         re.findall(
-            r"(?:benchmarks|examples|python|scripts|tests)/[A-Za-z0-9_./-]+\.py",
+            r"(?:benchmarks|examples|packages|scripts|tests)/[A-Za-z0-9_./-]+\.py",
             workflow,
         )
     )
diff --git a/tests/test_release_process.py b/tests/test_release_process.py
index c7968bd..f65fa44 100644
--- a/tests/test_release_process.py
+++ b/tests/test_release_process.py
@@ -23,7 +23,7 @@ def test_release_workflow_uses_one_artifact_and_trusted_publishers() -> None:
     workflow = (ROOT / ".github" / "workflows" / "release.yml").read_text()
     assert "scripts/sync_spec.py" in workflow
     assert "verify_release.py --tag" in workflow
-    assert workflow.count("uv --project python build") == 1
+    assert workflow.count("uv build") == 1
     assert "publish-testpypi" in workflow
     assert "verify-testpypi" in workflow
     assert "publish-pypi" in workflow
@@ -51,23 +51,24 @@ def test_repository_ownership_and_dependency_updates_are_explicit() -> None:
     for protected_path in (
         "/.github/workflows/**",
         "/.github/dependabot.yml",
-        "/python/**/pyproject.toml",
-        "/python/uv.lock",
+        "/pyproject.toml",
+        "/packages/**/pyproject.toml",
+        "/uv.lock",
         "/scripts/**",
     ):
         assert protected_path in owners
 
     dependabot = (ROOT / ".github" / "dependabot.yml").read_text()
     assert "package-ecosystem: uv" in dependabot
-    assert "directory: /python" in dependabot
+    assert "directory: /" in dependabot
     assert "package-ecosystem: github-actions" in dependabot
     assert dependabot.count("interval: weekly") == 2
 
 
 def test_package_readmes_follow_distribution_dependencies() -> None:
-    kernel = (ROOT / "python" / "kernel" / "README.md").read_text(encoding="utf-8").lower()
-    toolkit = (ROOT / "python" / "toolkit" / "README.md").read_text(encoding="utf-8").lower()
-    providers = (ROOT / "python" / "providers" / "README.md").read_text(encoding="utf-8").lower()
+    kernel = (ROOT / "packages" / "kernel" / "README.md").read_text(encoding="utf-8").lower()
+    toolkit = (ROOT / "packages" / "toolkit" / "README.md").read_text(encoding="utf-8").lower()
+    providers = (ROOT / "packages" / "providers" / "README.md").read_text(encoding="utf-8").lower()
 
     assert "jharness-toolkit" not in kernel
     assert "jharness.toolkit" not in kernel
diff --git a/tests/test_repository_tools.py b/tests/test_repository_tools.py
index 5ae970e..0a91a73 100644
--- a/tests/test_repository_tools.py
+++ b/tests/test_repository_tools.py
@@ -26,7 +26,7 @@ def _run_cleaner(root: Path, *arguments: str) -> subprocess.CompletedProcess[str
 
 def _workspace(tmp_path: Path) -> Path:
     workspace = tmp_path / "workspace"
-    _write(workspace / "python" / "pyproject.toml", "[project]\nname = 'test'\n")
+    _write(workspace / "pyproject.toml", "[project]\nname = 'test'\n")
     return workspace
 
 
@@ -35,14 +35,12 @@ def test_workspace_cleaner_previews_then_removes_only_generated_targets(
 ) -> None:
     workspace = _workspace(tmp_path)
     root_environment = workspace / ".venv" / "marker"
-    uv_environment = workspace / "python" / ".venv" / "marker"
-    nested_cache = workspace / "python" / "kernel" / "src" / "jharness" / "__pycache__" / "x.pyc"
+    nested_cache = workspace / "packages" / "kernel" / "src" / "jharness" / "__pycache__" / "x.pyc"
     ordinary_cache = workspace / "examples" / "python" / "__pycache__" / "example.pyc"
     coverage_report = workspace / "coverage" / "index.html"
     retained_source = workspace / "src" / "application.py"
     for path in (
         root_environment,
-        uv_environment,
         nested_cache,
         ordinary_cache,
         coverage_report,
@@ -53,14 +51,12 @@ def test_workspace_cleaner_previews_then_removes_only_generated_targets(
     preview = _run_cleaner(workspace)
 
     assert preview.returncode == 0, preview.stderr
-    assert "would remove .venv" in preview.stdout
-    assert "would remove python/kernel/src/jharness/__pycache__" in preview.stdout
-    assert "python/.venv" not in preview.stdout
+    assert ".venv" not in preview.stdout
+    assert "would remove packages/kernel/src/jharness/__pycache__" in preview.stdout
     assert all(
         path.exists()
         for path in (
             root_environment,
-            uv_environment,
             nested_cache,
             ordinary_cache,
             coverage_report,
@@ -71,11 +67,10 @@ def test_workspace_cleaner_previews_then_removes_only_generated_targets(
     applied = _run_cleaner(workspace, "--apply")
 
     assert applied.returncode == 0, applied.stderr
-    assert not root_environment.exists()
+    assert root_environment.exists()
     assert not nested_cache.exists()
     assert not ordinary_cache.exists()
     assert not coverage_report.exists()
-    assert uv_environment.exists()
     assert retained_source.exists()
 
 
diff --git a/python/uv.lock b/uv.lock
similarity index 99%
rename from python/uv.lock
rename to uv.lock
index bc5db15..255aa88 100644
--- a/python/uv.lock
+++ b/uv.lock
@@ -186,7 +186,7 @@ wheels = [
 [[package]]
 name = "conformance"
 version = "0.1.0"
-source = { editable = "conformance" }
+source = { editable = "packages/conformance" }
 dependencies = [
     { name = "jharness-kernel" },
     { name = "jharness-toolkit" },
@@ -196,8 +196,8 @@ dependencies = [
 
 [package.metadata]
 requires-dist = [
-    { name = "jharness-kernel", editable = "kernel" },
-    { name = "jharness-toolkit", editable = "toolkit" },
+    { name = "jharness-kernel", editable = "packages/kernel" },
+    { name = "jharness-toolkit", editable = "packages/toolkit" },
     { name = "jsonschema", specifier = ">=4.23.0" },
     { name = "referencing", specifier = ">=0.35.0" },
 ]
@@ -468,13 +468,13 @@ wheels = [
 
 [[package]]
 name = "jharness-kernel"
-version = "0.1.1"
-source = { editable = "kernel" }
+version = "0.1.2"
+source = { editable = "packages/kernel" }
 
 [[package]]
 name = "jharness-providers"
-version = "0.1.1"
-source = { editable = "providers" }
+version = "0.1.2"
+source = { editable = "packages/providers" }
 dependencies = [
     { name = "httpx" },
     { name = "jharness-kernel" },
@@ -483,13 +483,13 @@ dependencies = [
 [package.metadata]
 requires-dist = [
     { name = "httpx", specifier = ">=0.27.0" },
-    { name = "jharness-kernel", editable = "kernel" },
+    { name = "jharness-kernel", editable = "packages/kernel" },
 ]
 
 [[package]]
 name = "jharness-toolkit"
-version = "0.1.1"
-source = { editable = "toolkit" }
+version = "0.1.2"
+source = { editable = "packages/toolkit" }
 dependencies = [
     { name = "jharness-kernel" },
     { name = "jsonschema" },
@@ -498,7 +498,7 @@ dependencies = [
 
 [package.metadata]
 requires-dist = [
-    { name = "jharness-kernel", editable = "kernel" },
+    { name = "jharness-kernel", editable = "packages/kernel" },
     { name = "jsonschema", specifier = ">=4.23.0" },
     { name = "referencing", specifier = ">=0.35.0" },
 ]
@@ -527,10 +527,10 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "conformance", editable = "conformance" },
-    { name = "jharness-kernel", editable = "kernel" },
-    { name = "jharness-providers", editable = "providers" },
-    { name = "jharness-toolkit", editable = "toolkit" },
+    { name = "conformance", editable = "packages/conformance" },
+    { name = "jharness-kernel", editable = "packages/kernel" },
+    { name = "jharness-providers", editable = "packages/providers" },
+    { name = "jharness-toolkit", editable = "packages/toolkit" },
 ]
 
 [package.metadata.requires-dev]