feat(linkedin-thought-leadership): v1.1.0 — Q2 2026 feature release

9 improvements across 3 tracks:

Onboarding: /linkedin:onboarding wizard, README Quick Start rewrite
Content Quality: voice drift scoring, industry angle variants,
  /linkedin:carousel, /linkedin:react multi-URL comparison
Analytics: automated week-rollover, day-of-week heatmap,
  month-over-month reports

25→27 commands. All Q2 ROADMAP items completed.

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

plugins/linkedin-thought-leadership/CHANGELOG.md

@@ -5,6 +5,29 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.0] - 2026-04-08
+
+### Summary
+Q2 2026 feature release. 9 improvements across onboarding, content quality, and analytics pipeline.
+
+### Added
+- **`/linkedin:onboarding`** — multi-step onboarding wizard: profile → setup → first-post as one guided flow
+- **`/linkedin:carousel`** — structured multi-slide carousel generator with 5 templates and design specs
+- **Voice drift scoring** — 6-dimension rubric (sentence structure, word choice, openings, storytelling, tone, formatting) with AUTHENTIC/CAUTION/ALERT/REWRITE verdicts in voice-guardian hook
+- **Industry angle variants** — 48 concrete variants (6 industries × 8 angles) in thought-leadership-angles reference
+- **Multi-URL comparison** — `/linkedin:react` now supports 2-3 URL synthesis with contrarian and pattern analysis angles
+- **Day-of-week heatmap** — `heatmap` CLI command and `HeatmapReport` type in analytics pipeline
+- **Month-over-month reports** — `report --month YYYY-MM` CLI command with MoM deltas, weekly breakdown, top performers
+- **Automated week-rollover** — session-start hook now writes `posts_this_week: 0` and updates `current_week` on ISO week change
+- **Collected Post Samples** — Stop hook passively accumulates published posts in voice-samples file for drift scoring
+
+### Changed
+- **README Quick Start** — replaced 4-step manual flow with single `/linkedin:onboarding` entry point
+- **`/linkedin:report`** — Step 2 now offers report type choice (weekly/monthly/heatmap)
+- **`/linkedin:post`** — Step 2 shows industry-specific angles when user-profile has industry set; Step 3 redirects to carousel when appropriate
+- **`/linkedin` router** — added onboarding and carousel to menus and direct routing
+- **Command count** — 25 → 27 (onboarding, carousel)
+
 ## [1.0.0] - 2026-04-07
 
 ### Summary