docs: Update README with accurate v1.0 features and reorganize Gemini commands

Major Changes:
- Update README.md and README_CN.md to reflect v1.0 release instead of v2.0
- Add Gemini CLI integration highlights: dynamic template discovery, auto-selection
- Correct command references from /gemini:pre:* to /gemini:mode:*
- Add Smart Template Auto-Selection usage examples
- Reorganize Gemini commands from /pre/ to /mode/ directory structure

Documentation Improvements:
- Replace v2.0 architecture claims with actual v1.0 achievements
- Highlight 500+ lines of documentation streamlining
- Add practical examples for new auto-selection template system
- Maintain consistency between English and Chinese versions

Command Structure Updates:
- Move auto.md, bug-index.md, plan.md from /pre/ to /mode/ directory
- Update gemini-unified.md path references
- Ensure all command references are accurate and functional

🤖 Generated with [Claude Code](https://claude.ai/code)

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

.claude/commands/gemini/mode/plan.md

@@ -0,0 +1,75 @@
+---
+name: plan
+description: Project planning and architecture analysis using specialized template
+usage: /gemini:mode:plan "planning topic"
+argument-hint: "planning topic or architectural challenge to analyze"
+examples:
+  - /gemini:mode:plan "design user dashboard feature architecture"
+  - /gemini:mode:plan "plan microservices migration strategy"
+  - /gemini:mode:plan "implement real-time notification system"
+allowed-tools: Bash(gemini:*)
+model: sonnet
+---
+
+# Planning Analysis Command (/gemini:mode:plan)
+
+## Overview
+Comprehensive project planning and architecture analysis using expert planning template.
+
+## Usage
+
+### Basic Planning Analysis
+```bash
+/gemini:mode:plan "design authentication system"
+```
+
+### With All Files Context
+```bash
+/gemini:mode:plan "microservices migration" --all-files
+```
+
+### Save to Workflow Session
+```bash
+/gemini:mode:plan "real-time notifications" --save-session
+```
+
+## Command Execution
+
+**Template Used**: `~/.claude/prompt-templates/plan.md`
+
+**Executes**:
+```bash
+gemini --all-files -p "$(cat ~/.claude/prompt-templates/plan.md)
+
+Context: @{CLAUDE.md,**/*CLAUDE.md}
+
+Planning Topic: [user_description]"
+```
+
+## Planning Focus
+
+The planning template provides:
+- **Requirements Analysis**: Functional and non-functional requirements
+- **Architecture Design**: System structure and interactions
+- **Implementation Strategy**: Step-by-step development approach  
+- **Risk Assessment**: Challenges and mitigation strategies
+- **Resource Planning**: Time, effort, and technology needs
+
+## Options
+
+| Option | Purpose |
+|--------|---------|
+| `--all-files` | Include entire codebase for context |
+| `--save-session` | Save analysis to workflow session |
+
+## Session Output
+
+When `--save-session` used, saves to:
+`.workflow/WFS-[topic]/.chat/plan-[timestamp].md`
+
+**Includes:**
+- Planning topic
+- Template used
+- Analysis results  
+- Implementation roadmap
+- Key decisions