fix(linkedin-studio): S29c terminology-scrub — "thought leadership" → neutral (references/)

Third sub-pass of the S29 plugin-wide terminology scrub: the banned brand phrase
"thought leadership" (FORM A) removed from the reference-doc surface — the largest pass
(2x S29a/S29b). 34 edits across 15 reference files. Vocabulary consistent with S29a/S29b:
"thought leadership angle(s)" -> "content angle(s)"; "thought leadership" (positioning/practice)
-> "authority ..."; content-type labels -> "authority content / authority posts"; the whole
"Value Test" family -> "Authority Value Test".

Established cross-pass equivalents closed: glossary:229 "Thought Leadership Value Test" ->
"Authority Value Test" (closes the S29b cross-directory naming gap); glossary:29 "8 universal
thought leadership angles" -> "content angles"; engagement-frameworks:137 "Standard Thought
Leadership Structure" -> "Standard Post Structure" (matches S29a post:98).

S29e filename locked this session: thought-leadership-angles.md -> content-angles.md (operator-
chosen). The canonical file's in-file title/headers scrubbed now for consistency (H1 ->
"# Content Angles"; "## The Authority Value Test"; "### Step 3: Test For Authority Value");
the file rename + all 20 pointers remain S29e (atomic).

Judgment-calls (operator-approved): thought-leadership-angles:212 "disguised as thought
leadership" -> "expertise" (S29b vocab); linkedin-formats:295 -> "Text-based content" (avoids
authority...authority echo); linkedin-visual-style:3 -> "For building authority,"; ai-content-
framework:380 "main LinkedIn thought leadership skill" -> "content skill" (avoids awkward
"authority skill"). Kept by design: video-strategy-guide:429 ironic quote; video-strategy-
guide:532 "TL;DW" false positive (too long, didn't watch).

Scope (operator-locked, inherits S29a/S29b): FORM A only. FORM B ("thought leader(s)" as role,
references = 4) untouched. The 3 thought-leadership-angles.md filename pointers in references/
deferred to S29e.

Verify: FORM A in references/ = only the kept ironic quote (video:429); canonical file in-file
FORM A = NONE; FORM B unchanged (4); filename pointers unchanged (3); no anchor links to changed
headers; gate 81/0/0; counts 29/19/26/6 + v0.5.0 unchanged.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016qgzo6rxthw7KuxHjn5vyE

references/linkedin-formats.md

@@ -21,7 +21,7 @@ Choosing the right format isn't just about engagement rates—it's about underst
 - **"See more" threshold:** 110-140 characters (mobile) / 140 characters (desktop)
 - **Short posts:** 150-300 characters (quick insights, questions)
 - **Medium posts:** 700-1,000 characters (balanced engagement and substance)
-- **Long posts:** 1,300-1,800 characters (storytelling, thought leadership)
+- **Long posts:** 1,300-1,800 characters (storytelling, authority content)
 
 ### Comments
 - **Limit:** 1,500 characters
@@ -76,7 +76,7 @@ Choosing the right format isn't just about engagement rates—it's about underst
    - Need bold opinions, emotional moments, or surprising insights
    - Sweet spot: 1,200-1,800 character range consistently outperforms
    - Very short (150-300 chars) can perform well with concentrated insights
-   - Best for: Thought leadership, contrarian takes, personal stories
+   - Best for: Authority content, contrarian takes, personal stories
 
 **6. Polls: declining effectiveness; audience research only (no reliable reach multiplier — see `references/algorithm-signals-reference.md`)**
    - Still generates high impressions but effectiveness declining
@@ -269,7 +269,7 @@ Immediate engagement in first hour is critical for triggering subsequent waves.
 - Topic inconsistency (confuses your expertise)
 - Long gaps between posts (breaks consistency signal)
 
-**Thought leadership posts:**
+**Authority posts:**
 - Tend to earn more shares than average content
 - Generate deeper conversations (15+ word comments)
 - Position you as subject matter expert
@@ -292,7 +292,7 @@ Immediate engagement in first hour is critical for triggering subsequent waves.
 - Algorithm prioritizes dwell time over impressions
 
 **What This Means:**
-Video isn't the silver bullet many creators think it is. Text-based thought leadership often outperforms video for building authority and generating meaningful engagement. However, video DOES have specific use cases where it excels.
+Video isn't the silver bullet many creators think it is. Text-based content often outperforms video for building authority and generating meaningful engagement. However, video DOES have specific use cases where it excels.
 
 **Lara Acosta's Position:** "Video is overrated on LinkedIn"
 
@@ -306,7 +306,7 @@ Video isn't the silver bullet many creators think it is. Text-based thought lead
 
 **When Text Outperforms Video:**
 - Complex frameworks requiring reflection
-- Thought leadership requiring contemplation
+- Authority content requiring contemplation
 - Contrarian perspectives needing careful articulation
 - Data-heavy insights
 - Long-form storytelling