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/bug-index.md

@@ -0,0 +1,73 @@
+---
+name: bug-index
+description: Bug analysis and fix suggestions using specialized template
+usage: /gemini:mode:bug-index "bug description"
+argument-hint: "description of the bug or error you're experiencing"
+examples:
+  - /gemini:mode:bug-index "authentication null pointer error in login flow"
+  - /gemini:mode:bug-index "React component not re-rendering after state change"
+  - /gemini:mode:bug-index "database connection timeout in production"
+allowed-tools: Bash(gemini:*)
+model: sonnet
+---
+
+# Bug Analysis Command (/gemini:mode:bug-index)
+
+## Overview
+Systematic bug analysis and fix suggestions using expert diagnostic template.
+
+## Usage
+
+### Basic Bug Analysis
+```bash
+/gemini:mode:bug-index "authentication error during login"
+```
+
+### With All Files Context
+```bash
+/gemini:mode:bug-index "React state not updating" --all-files
+```
+
+### Save to Workflow Session
+```bash
+/gemini:mode:bug-index "API timeout issues" --save-session
+```
+
+## Command Execution
+
+**Template Used**: `~/.claude/prompt-templates/bug-fix.md`
+
+**Executes**:
+```bash
+gemini --all-files -p "$(cat ~/.claude/prompt-templates/bug-fix.md)
+
+Context: @{CLAUDE.md,**/*CLAUDE.md}
+
+Bug Description: [user_description]"
+```
+
+## Analysis Focus
+
+The bug-fix template provides:
+- **Root Cause Analysis**: Systematic investigation
+- **Code Path Tracing**: Following execution flow  
+- **Targeted Solutions**: Specific, minimal fixes
+- **Impact Assessment**: Understanding side effects
+
+## Options
+
+| Option | Purpose |
+|--------|---------|
+| `--all-files` | Include entire codebase for analysis |
+| `--save-session` | Save analysis to workflow session |
+
+## Session Output
+
+When `--save-session` used, saves to:
+`.workflow/WFS-[topic]/.chat/bug-index-[timestamp].md`
+
+**Includes:**
+- Bug description
+- Template used  
+- Analysis results
+- Recommended actions