feat: implement v0.2.0 release features - agent-first evolution

✅ v0.2 Release Preparation:
- Update version to 0.2.0 in pyproject.toml
- Create release build script for CLI binaries
- Generate comprehensive release notes

✅ OpenClaw DAO Governance:
- Implement complete on-chain voting system
- Create DAO smart contract with Governor framework
- Add comprehensive CLI commands for DAO operations
- Support for multiple proposal types and voting mechanisms

✅ GPU Acceleration CI:
- Complete GPU benchmark CI workflow
- Comprehensive performance testing suite
- Automated benchmark reports and comparison
- GPU optimization monitoring and alerts

✅ Agent SDK Documentation:
- Complete SDK documentation with examples
- Computing agent and oracle agent examples
- Comprehensive API reference and guides
- Security best practices and deployment guides

✅ Production Security Audit:
- Comprehensive security audit framework
- Detailed security assessment (72.5/100 score)
- Critical issues identification and remediation
- Security roadmap and improvement plan

✅ Mobile Wallet & One-Click Miner:
- Complete mobile wallet architecture design
- One-click miner implementation plan
- Cross-platform integration strategy
- Security and user experience considerations

✅ Documentation Updates:
- Add roadmap badge to README
- Update project status and achievements
- Comprehensive feature documentation
- Production readiness indicators

🚀 Ready for v0.2.0 release with agent-first architecture

docs/beginner/03_clients/1_quick-start.md

@@ -0,0 +1,69 @@
+# Client Quick Start
+
+**5 minutes** — Install, configure, submit your first job with the enhanced AITBC CLI.
+
+## 1. Install & Configure
+
+```bash
+pip install -e .                                        # from monorepo root
+aitbc config set coordinator_url http://localhost:8000
+export AITBC_API_KEY=your-key
+
+# Verify installation
+aitbc --version
+aitbc --debug
+```
+
+## 2. Create Wallet
+
+```bash
+aitbc wallet create --name my-wallet
+aitbc wallet balance
+```
+
+Save your seed phrase securely.
+
+## 3. Submit a Job
+
+```bash
+# Enhanced job submission with more options
+aitbc client submit \
+  --prompt "Summarize this document" \
+  --input data.txt \
+  --model gpt2 \
+  --priority normal \
+  --timeout 3600
+```
+
+## 4. Track & Download
+
+```bash
+# Enhanced job tracking
+aitbc client status --job-id <JOB_ID>
+aitbc client list --status submitted
+aitbc client download --job-id <JOB_ID> --output ./results
+
+# Monitor job progress
+aitbc monitor dashboard
+```
+
+## 5. Advanced Features
+
+```bash
+# Batch job submission
+aitbc client batch-submit --jobs-file jobs.json
+
+# Job management
+aitbc client list --status completed
+aitbc client cancel --job-id <JOB_ID>
+
+# Configuration management
+aitbc config show
+aitbc config profiles create production
+```
+
+## Next
+
+- [2_job-submission.md](./2_job-submission.md) — Advanced job options (GPU, priority, batch)
+- [3_job-lifecycle.md](./3_job-lifecycle.md) — Status tracking, results, history
+- [5_pricing-billing.md](./5_pricing-billing.md) — Cost structure