diff --git a/docs/project/issues/issue-00000001-markdown-mermaid-skill.md b/docs/project/issues/issue-00000050-markdown-mermaid-skill.md
similarity index 98%
rename from docs/project/issues/issue-00000001-markdown-mermaid-skill.md
rename to docs/project/issues/issue-00000050-markdown-mermaid-skill.md
index ebce40d..9e4851f 100644
--- a/docs/project/issues/issue-00000001-markdown-mermaid-skill.md
+++ b/docs/project/issues/issue-00000050-markdown-mermaid-skill.md
@@ -1,8 +1,8 @@
-# Issue-00000001: Add Markdown and Mermaid Writing Skill
+# Issue-00000050: Add Markdown and Mermaid Writing Skill
| Field | Value |
| ---------------------- | ------------------------------------------------------------------------------------------------- |
-| **Issue** | `#00000001` |
+| **Issue** | `#50` |
| **Type** | ✨ Feature |
| **Severity** | 🟡 Medium |
| **Priority** | P1 |
@@ -12,7 +12,7 @@
| **Status** | Open |
| **Users affected** | All scientific skill users producing documentation, reports, or diagrams |
| **Revenue impact** | Indirect — improves skill quality, adoption, and downstream reproducibility |
-| **Resolved in** | [PR-00000001](../pr/pr-00000001-markdown-mermaid-skill.md) |
+| **Resolved in** | [PR-00000050](../pr/pr-00000050-markdown-mermaid-skill.md) |
| **Time to resolution** | TBD |
---
diff --git a/docs/project/kanban/feat-00000050-markdown-mermaid-skill.md b/docs/project/kanban/feat-00000050-markdown-mermaid-skill.md
new file mode 100644
index 0000000..ec4f8e0
--- /dev/null
+++ b/docs/project/kanban/feat-00000050-markdown-mermaid-skill.md
@@ -0,0 +1,117 @@
+# Kanban: feat-00000050 — Markdown and Mermaid Writing Skill
+
+_Feature board tracking PR #50 — `feat/markdown-mermaid-writing-skill` → `main`_
+
+---
+
+## 📋 Board overview
+
+```mermaid
+---
+config:
+ kanban:
+ ticketBaseUrl: "https://github.com/K-Dense-AI/claude-scientific-skills/issues/"
+---
+kanban
+ accTitle: PR 50 Markdown Mermaid Writing Skill Board
+ accDescr: Kanban board tracking all tasks for the markdown-mermaid-writing skill PR from backlog through done.
+
+ column0[Done]
+ task0@{ ticket: "50", title: "Create issue-00000050 feature request doc" }
+ task1@{ ticket: "50", title: "Create PR-00000050 record doc" }
+ task2@{ ticket: "50", title: "Create skill directory structure" }
+ task3@{ ticket: "50", title: "Port markdown style guide (733 lines)" }
+ task4@{ ticket: "50", title: "Port mermaid style guide (458 lines)" }
+ task5@{ ticket: "50", title: "Port all 24 diagram type guides" }
+ task6@{ ticket: "50", title: "Port all 9 document templates" }
+ task7@{ ticket: "50", title: "Create SKILL.md with source format philosophy" }
+ task8@{ ticket: "50", title: "Add example research report" }
+ task9@{ ticket: "50", title: "Fix attribution to SuperiorByteWorks-LLC/agent-project" }
+ task10@{ ticket: "50", title: "Fix Mermaid \\n →
in all node labels" }
+ task11@{ ticket: "50", title: "Renumber docs to #50 (upstream next number)" }
+ task12@{ ticket: "50", title: "Create kanban board" }
+
+ column1[In Progress]
+ task13@{ ticket: "50", title: "Push branch and open PR to K-Dense-AI/claude-scientific-skills" }
+
+ column2[Backlog]
+ task14@{ ticket: "50", title: "Human review and approval" }
+ task15@{ ticket: "50", title: "Merge to main" }
+```
+
+---
+
+## 🎯 Scope
+
+| Field | Value |
+| -------------- | -------------------------------------------------------------------- |
+| **PR** | [#50](../pr/pr-00000050-markdown-mermaid-skill.md) |
+| **Issue** | [#50](../issues/issue-00000050-markdown-mermaid-skill.md) |
+| **Branch** | `feat/markdown-mermaid-writing-skill` |
+| **Target repo** | `K-Dense-AI/claude-scientific-skills` |
+| **Fork** | `borealBytes/claude-scientific-skills` |
+| **Started** | 2026-02-19 |
+| **Status** | 🟡 In Progress — awaiting PR push and human review |
+
+---
+
+## ✅ Completed tasks
+
+| Task | Evidence |
+| -------------------------------------------------- | -------------------------------------------------- |
+| Issue-00000050 feature request doc | `docs/project/issues/issue-00000050-markdown-mermaid-skill.md` |
+| PR-00000050 record doc | `docs/project/pr/pr-00000050-markdown-mermaid-skill.md` |
+| Skill directory structure | `scientific-skills/markdown-mermaid-writing/` |
+| Markdown style guide (733 lines) | `references/markdown_style_guide.md` |
+| Mermaid style guide (458 lines) | `references/mermaid_style_guide.md` |
+| 24 diagram type guides | `references/diagrams/*.md` |
+| 9 document templates | `templates/*.md` |
+| SKILL.md with source format philosophy | `scientific-skills/markdown-mermaid-writing/SKILL.md` |
+| Example CRISPR research report | `assets/examples/example-research-report.md` |
+| Attribution corrected to SuperiorByteWorks-LLC | All 42 refs updated |
+| Mermaid `\n` → `
` in node labels | 12 occurrences fixed across 4 files |
+| Docs renumbered to #50 | Matches upstream next available number |
+
+---
+
+## 🔄 In progress
+
+| Task | Owner | Notes |
+| ---------------------------------------- | ----- | --------------------------------------------- |
+| Push branch + open PR to K-Dense-AI repo | Clay | Pending push of `feat/markdown-mermaid-writing-skill` |
+
+---
+
+## 📋 Backlog
+
+| Task | Blocked by | Notes |
+| ----------------------- | ---------- | --------------------------------------------- |
+| Human review / approval | PR push | K-Dense team reviews and merges |
+| Merge to main | Approval | Standard merge process |
+
+---
+
+## 📊 Progress
+
+```mermaid
+pie
+ accTitle: PR 50 Task Completion
+ accDescr: Pie chart showing 13 tasks done out of 15 total tasks for PR 50
+
+ "Done" : 13
+ "In Progress" : 1
+ "Backlog" : 2
+```
+
+---
+
+## 🔗 References
+
+- [PR-00000050](../pr/pr-00000050-markdown-mermaid-skill.md)
+- [Issue-00000050](../issues/issue-00000050-markdown-mermaid-skill.md)
+- [Upstream PR](https://github.com/K-Dense-AI/claude-scientific-skills/pull/50) (once pushed)
+- [Skill source](https://github.com/SuperiorByteWorks-LLC/agent-project)
+
+---
+
+_Last updated: 2026-02-19_
diff --git a/docs/project/pr/pr-00000001-markdown-mermaid-skill.md b/docs/project/pr/pr-00000050-markdown-mermaid-skill.md
similarity index 94%
rename from docs/project/pr/pr-00000001-markdown-mermaid-skill.md
rename to docs/project/pr/pr-00000050-markdown-mermaid-skill.md
index 24667f2..05e4b3f 100644
--- a/docs/project/pr/pr-00000001-markdown-mermaid-skill.md
+++ b/docs/project/pr/pr-00000050-markdown-mermaid-skill.md
@@ -1,13 +1,14 @@
-# PR-00000001: feat(scientific-communication): add markdown-mermaid-writing skill
+# PR-00000050: feat(scientific-communication): add markdown-mermaid-writing skill
| Field | Value |
| ------------------- | ----------------------------------------------------------------------------------------------------------------------------- |
-| **PR** | `#00000001` |
+| **PR** | `#50` (https://github.com/K-Dense-AI/claude-scientific-skills/pull/50) |
| **Author** | Clayton Young (Boreal Bytes / Superior Byte Works, LLC) |
| **Date** | 2026-02-19 |
| **Status** | Open — Draft |
| **Branch** | `feat/markdown-mermaid-writing-skill` → `main` |
-| **Related issues** | [#00000001](../issues/issue-00000001-markdown-mermaid-skill.md) |
+| **Related issues** | [#50](../issues/issue-00000050-markdown-mermaid-skill.md) |
+| **Kanban board** | [feat-00000050](../kanban/feat-00000050-markdown-mermaid-skill.md) |
| **Deploy strategy** | Standard — documentation-only addition, no code execution changes |
---
@@ -37,8 +38,8 @@ The motivation: scientific outputs currently default to Python-generated or AI-g
| File / Area | Change type | Description |
| --------------------------------------------------- | ----------- | ---------------------------------------------------------------------- |
-| `docs/project/issues/issue-00000001-markdown-mermaid-skill.md` | Added | Feature request issue record |
-| `docs/project/pr/pr-00000001-markdown-mermaid-skill.md` | Added | This PR record |
+| `docs/project/issues/issue-00000050-markdown-mermaid-skill.md` | Added | Feature request issue record |
+| `docs/project/pr/pr-00000050-markdown-mermaid-skill.md` | Added | This PR record |
| `scientific-skills/markdown-mermaid-writing/SKILL.md` | Added | Main skill documentation with YAML frontmatter and philosophy |
| `scientific-skills/markdown-mermaid-writing/references/markdown_style_guide.md` | Added | Full markdown style guide (~730 lines) ported from opencode |
| `scientific-skills/markdown-mermaid-writing/references/mermaid_style_guide.md` | Added | Full mermaid style guide (~454 lines) ported from opencode |
@@ -178,7 +179,7 @@ No ADR created — this is a documentation addition with no architectural tradeo
## 🔗 References
-- [Issue #00000001](../issues/issue-00000001-markdown-mermaid-skill.md) — Feature request
+- [Issue #50](../issues/issue-00000050-markdown-mermaid-skill.md) — Feature request
- [opencode repository](https://github.com/SuperiorByteWorks-LLC/agent-project) — Source of ported style guides (Apache-2.0)
- [K-Dense Discord thread](https://discord.com/channels/k-dense) — Originating conversation, 2026-02-19