Refine timeline order and simplify changelog

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

content/docs/development-plan.mdx

@@ -193,16 +193,16 @@ Repository Structure:
 
 ### Active Development Tasks
 
-1. **GitHub App Development (🔴 Critical)**
-   - Target: March 2026
-   - Status: In Planning
-   - Deliverables: OAuth app, webhook handlers, API integration
-
-2. **Vercel Deployment Optimization (🔴 Critical)**
+1. **Vercel Deployment Optimization (🔴 Critical)**
    - Target: February 2026
    - Status: In Progress
    - Deliverables: ISR configuration, edge functions, caching strategy
 
+2. **GitHub App Development (🔴 Critical)**
+   - Target: March 2026
+   - Status: In Planning
+   - Deliverables: OAuth app, webhook handlers, API integration
+
 3. **CLI Enhancement (🟡 High)**
    - Target: March 2026
    - Status: In Planning
@@ -229,8 +229,7 @@ This roadmap is dynamic and will evolve based on community feedback and GitHub/V
 
 | Date | Changes | Author |
 |------|---------|--------|
-| 2026-01-18 | Reoriented roadmap to GitHub-Vercel workflow | Team |
-| 2026-01-18 | Initial development plan created | Team |
+| 2026-01-18 | Created development roadmap focused on GitHub-Vercel integration | Team |
 
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