feat(linkedin-thought-leadership): onboarding improvements for new users

- Session-start hook: welcome message with getting-started steps on first run
- Session-start hook: prominent personalization score section when score is 0
- Router: condensed 4-option menu for users who haven't posted yet
- Post/quick commands: non-blocking readiness check for unpersonalized state
- Post-creation hook: inline 5x5x5 engagement ritual explanation

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

plugins/linkedin-thought-leadership/commands/linkedin.md

@@ -27,6 +27,23 @@ The follower segment only appears if `follower_count > 0` in the state file.
 
 If the state file doesn't exist, show: "No LinkedIn state tracked yet. State tracking starts when you create your first post."
 
+## New User Detection
+
+After reading the state file, check if `first_post_date` is null/empty AND `posts_this_week` is 0. If so, this is a new user. Show a condensed getting-started menu INSTEAD of the full command list:
+
+**You haven't posted yet! Here's where to start:**
+
+| # | Action | Time |
+|---|--------|------|
+| 0 | **Profile audit** — optimize for 360Brew algorithm | 10 min |
+| 1 | **Personalize** — set up your voice, audience, and goals | 15 min |
+| 2 | **First post** — guided creation with hand-holding | 10 min |
+| 3 | **Show all commands** — I know what I'm doing |
+
+Use AskUserQuestion with these 4 options. Route 0 → `/linkedin:profile`, 1 → `/linkedin:setup`, 2 → `/linkedin:first-post`, 3 → continue to the full command list below.
+
+**Skip this section entirely if `first_post_date` is set or `posts_this_week` > 0.** Proceed to Upcoming Posts and the full command list.
+
 ## Upcoming Posts
 
 After the status line, show upcoming scheduled posts from the queue:

plugins/linkedin-thought-leadership/commands/post.md

@@ -23,6 +23,16 @@ You are a LinkedIn thought leadership content creator. Guide the user through cr
 First, load persistent state and personalization:
 - Read `~/.claude/linkedin-thought-leadership.local.md` for posting state (streak, weekly progress, recent topics)
 - Read `skills/linkedin-thought-leadership/SKILL.md` for user profile, voice settings, and preferences
+- Read `config/user-profile.local.md` (if it exists) for expertise areas and audience
+
+### Readiness Check
+
+If `config/user-profile.local.md` doesn't exist OR `assets/voice-samples/authentic-voice-samples.md` contains `[Your Name]` in the title line, show this non-blocking notice:
+
+> This plugin isn't personalized yet. Content will use generic best practices.
+> Run `/linkedin:setup` after this session to unlock voice-matched content.
+
+Then proceed normally — do not block content creation.
 
 Check state for topic planning:
 - Compare intended topic against "Recent Posts" in state file

plugins/linkedin-thought-leadership/commands/quick.md

@@ -27,6 +27,17 @@ Read `skills/linkedin-thought-leadership/SKILL.md` for:
 - Core expertise areas (for topical alignment)
 - Phrases they commonly use
 
+Read `config/user-profile.local.md` (if it exists) for expertise areas and audience.
+
+### Readiness Check
+
+If `config/user-profile.local.md` doesn't exist OR `assets/voice-samples/authentic-voice-samples.md` contains `[Your Name]` in the title line, show this non-blocking notice:
+
+> This plugin isn't personalized yet. Content will use generic best practices.
+> Run `/linkedin:setup` after this session to unlock voice-matched content.
+
+Then proceed normally — do not block content creation.
+
 Read `assets/quick-post-resources.md` for:
 - Hooks bank
 - CTAs bank