The-Interdependency · erinepshovel-code · Sep 28, 2026 · Sep 28, 2026 · Sep 28, 2026
diff --git a/ATTRIBUTION.md b/ATTRIBUTION.md
@@ -26,16 +26,20 @@ Local modifications to imported files: frontmatter trigger phrasing
 normalized to skill-lib convention (`Use this when`), Cowork-only
 frontmatter keys removed, and a Workflow/Anti-patterns/Provenance/hmmm
 bookend appended per `skill-build` compliance. Upstream bodies are
-otherwise unmodified. `data-visualization/SKILL.md` additionally carries a
-locally appended, clearly marked The Interdependency information-design
-extension (skill-lib `868de86`).
-
-Local files in imported skill directories: `data-visualization/examples/`,
-`data-visualization/references/`,
-`data-visualization/information_design_audit.py`, and
-`data-visualization/visual-grammar.json` were not supplied by upstream. They
-were added in skill-lib `868de86` and are original to skill-lib under MPL-2.0
-(`LICENSE`).
+otherwise unmodified. `data-visualization/SKILL.md` also has a clearly marked
+information-design extension appended locally (skill-lib `868de86`). These
+local additions to `data-visualization/SKILL.md` are contributed under
+Apache-2.0, so the whole file stays under a single license. Other local files in
+that directory remain MPL-2.0 as listed below.
+
+Local files in imported skill directories: these files were not supplied by
+upstream. They were added in skill-lib `868de86` and are original to skill-lib
+under MPL-2.0 (`LICENSE`):
+
+- `data-visualization/examples/information-design-manifest.json`
+- `data-visualization/references/information-design-evidence.md`
+- `data-visualization/information_design_audit.py`
+- `data-visualization/visual-grammar.json`
 
 This repository is MPL-2.0 (`LICENSE`); imported files remain
 available under Apache-2.0 (`LICENSES/Apache-2.0.txt`) as noted per file.

diff --git a/CLAUDE.md b/CLAUDE.md
@@ -75,7 +75,7 @@ llms/                  # python -m llms.build reference runner
 | `statistical-analysis/` | procedural | — | Statistical methods for analyses: descriptive stats, assumption checks, hypothesis testing, outlier detection, effect sizes, and plain-language interpretation. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. |
 | `explore-data/` | procedural | — | Dataset profiling: shape, grain, null/duplicate/quality checks, distributions, and which dimensions and metrics merit analysis. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. |
 | `validate-data/` | procedural | — | Pre-share QA of analyses: methodology, accuracy, and bias checks; reproduce key numbers independently; attack conclusions before sign-off. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. |
-| `data-visualization/` | procedural | — | Effective chart-building doctrine with Python (matplotlib, seaborn, plotly): chart-type selection, honest encoding, accessibility. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. |
+| `data-visualization/` | procedural | — | Effective chart-building doctrine with Python (matplotlib, seaborn, plotly): chart-type selection, honest encoding, accessibility. Only `SKILL.md` is imported from `anthropics/knowledge-work-plugins@94e1a08`; the whole `SKILL.md`, including its local additions, is Apache-2.0. The four information-design extension files (skill-lib `868de86`) are original under MPL-2.0; see `ATTRIBUTION.md`. |
 
 ---
 

diff --git a/ORG_DISTRIBUTION.md b/ORG_DISTRIBUTION.md
@@ -59,7 +59,7 @@ Propagation PRs should cite this repository and the source commit SHA.
 * `statistical-analysis/` — statistical methods doctrine (imported, Apache-2.0 — see `ATTRIBUTION.md`)
 * `explore-data/` — dataset profiling doctrine (imported, Apache-2.0 — see `ATTRIBUTION.md`)
 * `validate-data/` — analysis QA doctrine (imported, Apache-2.0 — see `ATTRIBUTION.md`)
-* `data-visualization/` — chart-building doctrine (imported, Apache-2.0 — see `ATTRIBUTION.md`)
+* `data-visualization/` — chart-building doctrine (`SKILL.md` imported and, with its local additions, entirely Apache-2.0; the four extension files from `868de86` original, MPL-2.0 — see `ATTRIBUTION.md`)
 
 ## Target repos
 

diff --git a/README.md b/README.md
@@ -68,7 +68,7 @@ into [`llms.txt`](llms.txt) from self-declared `LLMS` blocks.
 | [`statistical-analysis/`](statistical-analysis/SKILL.md) | Statistical methods for analyses: descriptive stats, assumption checks, hypothesis testing, outlier detection, effect sizes, and plain-language interpretation. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. Independent of msdmd. |
 | [`explore-data/`](explore-data/SKILL.md) | Dataset profiling: shape, grain, null/duplicate/quality checks, distributions, and which dimensions and metrics merit analysis. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. Independent of msdmd. |
 | [`validate-data/`](validate-data/SKILL.md) | Pre-share QA of analyses: methodology, accuracy, and bias checks; reproduce key numbers independently; attack conclusions before sign-off. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. Independent of msdmd. |
-| [`data-visualization/`](data-visualization/SKILL.md) | Effective chart-building doctrine with Python (matplotlib, seaborn, plotly): chart-type selection, honest encoding, accessibility. Imported from `anthropics/knowledge-work-plugins` (Apache-2.0); see `ATTRIBUTION.md`. Independent of msdmd. |
+| [`data-visualization/`](data-visualization/SKILL.md) | Effective chart-building doctrine with Python (matplotlib, seaborn, plotly): chart-type selection, honest encoding, accessibility. Only `SKILL.md` is imported from `anthropics/knowledge-work-plugins@94e1a08`; the whole `SKILL.md`, including its local additions, is Apache-2.0. The four information-design extension files (skill-lib `868de86`) are original under MPL-2.0; see `ATTRIBUTION.md`. Independent of msdmd. |
 
 ## Support this work
 

diff --git a/data-visualization/SKILL.md b/data-visualization/SKILL.md
@@ -399,8 +399,10 @@ The checker verifies declared WCAG contrast and color-independent state redundan
 
 ## Provenance
 
-Imported from `anthropics/knowledge-work-plugins` @ `94e1a08` (`data/skills/data-visualization/`), Apache-2.0.
-Local modifications: trigger phrasing normalized to skill-lib convention; the Workflow/Anti-patterns/Provenance bookend and the clearly marked The Interdependency information-design extension were appended. The imported upstream body remains otherwise unmodified. The extension is evidence-grounded in `references/information-design-evidence.md`. See `ATTRIBUTION.md` at repo root.
+Only this `SKILL.md` is imported, from `anthropics/knowledge-work-plugins` @ `94e1a08` (`data/skills/data-visualization/SKILL.md`), Apache-2.0.
+Local modifications: trigger phrasing normalized to skill-lib convention; the Cowork-only `user-invocable` frontmatter key removed; the Workflow/Anti-patterns/Provenance bookend and the clearly marked The Interdependency information-design extension appended. The imported upstream body remains otherwise unmodified.
+The locally added sections (## Workflow, ## Anti-patterns, ## The Interdependency information-design extension and its subsections, and this ## Provenance section) are original to skill-lib and contributed under Apache-2.0, the same license as the imported body, so this whole file is available under Apache-2.0 (`LICENSES/Apache-2.0.txt`).
+The extension files `examples/information-design-manifest.json`, `references/information-design-evidence.md`, `information_design_audit.py`, and `visual-grammar.json` were added in skill-lib `868de86` and are original to skill-lib under MPL-2.0 (`LICENSE`); upstream supplied none of them. The extension is evidence-grounded in `references/information-design-evidence.md`. See `ATTRIBUTION.md` at repo root.
 
 hmmm
 - Image-level protan/deutan/tritan simulation is intentionally not claimed by the stdlib audit; rendered-artifact perceptual review remains a separate tool/human gate.