fix: sync all skill updates and new skills into plugin bundles

- Synced 97 existing skill SKILL.md files from skills/ to their plugin bundle copies
- Added 7 new skills to plugin bundles:
  - seo-content-brief, media-pitch -> pm-gtm
  - tax-planning-checklist -> pm-finance
  - change-management-plan -> pm-hr
  - sales-forecasting-model -> pm-sales
  - workshop-facilitation-guide -> pm-operations
  - teaching-lesson-plan -> pm-cross

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plugins/pm-research/skills/literature-review/SKILL.md

@@ -59,11 +59,11 @@ Organised thematically — not chronologically. Each theme = one section.
 For each paper: internal validity, external validity, bias types, effect size significance vs clinical significance, funding conflicts.
 
 ## Quality Checks
-- Organised thematically not as paper summaries
-- Evidence synthesised across papers
-- Critical analysis included
-- Gaps identified
-- All claims cited
+- [ ] Organised thematically (not as individual paper summaries)
+- [ ] Evidence synthesised across papers (not summarised one by one)
+- [ ] Critical analysis of methodology included for key studies
+- [ ] Gaps identified — what the field still needs
+- [ ] All claims cited
 
 ## Example Trigger Phrases
 - "Write a literature review on [topic]"

plugins/pm-research/skills/patient-communication/SKILL.md

@@ -83,6 +83,15 @@ Yours sincerely, [Name, Title, Department]
 - Use "you" and "we" throughout
 - Numbers as digits: "2 tablets" not "two tablets"
 
+## Quality Checks
+
+- [ ] Written at or below Grade 8 reading level (short words, short sentences)
+- [ ] Active voice used throughout ("We will contact you" not "You will be contacted")
+- [ ] Results letter states the result in the first sentence
+- [ ] Next steps are specific and include timeframes
+- [ ] No Latin or acronyms without explanation
+- [ ] Disclaimer that clinical review is required before sending
+
 ## Example Trigger Phrases
 - "Write a patient letter about [topic]"
 - "Create a patient information leaflet for [procedure]"

plugins/pm-research/skills/research-protocol/SKILL.md

@@ -86,10 +86,11 @@ Qualitative: [Framework — e.g. Braun & Clarke], [quality assurance]
 | Write-up | | | |
 
 ## Quality Checks
-- Primary objective is singular and answerable
-- Sample size has stated basis
-- Ethical considerations complete
-- Analysis plan pre-specified
+- [ ] Primary objective is singular and answerable (not compound)
+- [ ] Sample size has a stated basis (power calculation or saturation rationale)
+- [ ] Ethical considerations section is complete
+- [ ] Analysis plan is pre-specified (not "to be determined")
+- [ ] Timeline includes all phases from ethics approval to write-up
 
 ## Example Trigger Phrases
 - "Write a research protocol for [study]"