feat: add SVG project banner and update GitHub profile README with new branding.

Author: miccy

branding/sqloot-banner.svg

@@ -1,20 +1,91 @@
-# SQLoot
+<div align="center">
+  <img src="../branding/sqloot-banner.svg" alt="SQLoot banner" width="100%" style="max-width: 900px;" />
+</div>
+
+<p align="center">
+  <strong>Local-First | Lab | E2EE | Infra | Benchmarks | Tools | CLI | Adapters | CRDT Sync | Relays</strong><br />
+  Public rollout is in progress (updated March 1, 2026).
+</p>
+
+<p align="center">
+  <img src="https://img.shields.io/badge/Public_rollout-WIP-f59e0b?style=flat-square" alt="Public rollout WIP" />
+  <img src="https://img.shields.io/badge/Built_on-Evolu-1f6feb?style=flat-square" alt="Foundation Evolu" />
+  <img src="https://img.shields.io/badge/Compatibility-SQLite-0ea5e9?style=flat-square" alt="SQLite compatibility" />
+  <img src="https://img.shields.io/badge/Bun-v1.3.10-111827?style=flat-square&logo=bun&logoColor=white" alt="Bun-first runtime" />
+</p>
+
+## ⚡ Why SQLoot
+
+- 🔒 Sovereign-by-design local-first data infrastructure.
+- ⚙️ Bun-first and SQLite-compatible runtime direction.
+- 📊 Evidence-driven engineering via reproducible benchmarks.
+- 🧩 Evolu-compatible now.
+
+## 🤝 Foundation: Evolu
+
+SQLoot currently runs on top of an Evolu-based baseline. Our immediate strategy is to preserve upstream compatibility, ship measurable improvements in our fork, and upstream changes where applicable.
+
+- Upstream project: [evoluhq/evolu](https://github.com/evoluhq/evolu)
+- Upstream docs: [evolu.dev](https://www.evolu.dev)
+- SQLoot baseline fork: [SQLoot/evolu-plan-b](https://github.com/SQLoot/evolu-plan-b)
 
-Open-source infrastructure for intelligent data management.
+Credit where it belongs: huge respect to [evoluhq](https://github.com/evoluhq) and [@steida](https://github.com/steida) for creating Evolu and moving the local-first ecosystem forward.
 
-> 🚧 **Coming Soon** - Repositories are currently private during development.
+## 🧱 What SQLoot Is Building
 
-## Contributing
+| Track | Role | Current State |
+|---|---|---|
+| `evolu-plan-b` | Evolu-compatible Bun + Biome baseline | Public rollout |
+| `core` | SQLoot-native runtime foundations (Rust, Zig) | Planning |
+| `bench-suite` | Reproducible benchmark harness | WIP |
+| `relays` | Evolu-compatible relay implementations (TS, Rust, BEAM, Elysia) | WIP |
+| `lootbox` | CLI umbrella & tools (Rust) | WIP |
+| `blind-cloud` | Encrypted cloud transport experiments (vault/relay/repacker) | Research |
+| `local-first` | Community forum, blog, wiki, guides | TBD |
+| `loot-cms` | File-based CMS, editor, sync storage | Research |
+| `loot-ops` | Org-wide Nix/IaC/CI platform glue for repos | Private |
+| `website` | Landing page, docs, bench measurements, stats | WIP |
+| `knowledge` | Obsidian KB, planning, issues, research | Internal |
 
-We welcome contributions! See [CONTRIBUTING](https://github.com/SQLoot/.github/blob/main/CONTRIBUTING.md) for guidelines.
+Public docs and public APIs are opening in phases as each track stabilizes.
 
-## Security
+## 🗺️ 2026 Roadmap (WIP Checklist)
 
-Found a vulnerability? See [SECURITY](https://github.com/SQLoot/.github/blob/main/SECURITY.md) for responsible disclosure.
+### Milestone - Track Progress
+
+- [x] 🧩 Evolu-based Bun-first baseline established
+- [x] 📦 Public track for `evolu-plan-b` prepared
+- [ ] 🧪 Benchmark harness foundation running in `bench-suite` (~45%)
+- [ ] 📈 Stable regression gates with p50/p95/throughput/memory evidence
+- [ ] 🏗️ SQLoot core bootstrap beyond skeleton phase
+- [ ] 🔐 Relay and transport hardening to public-ready operations
+- [ ] 🔌 Priority integrations (TanStack Start, Tauri, Astro) (~70%)
+- [ ] 🧩 Evolu compatibility and stabilization (~90%)
+- [ ] 📊 Benchmark reliability and CI evidence (~45%)
+- [ ] 🧱 SQLoot core bootstrap (~20%)
+- [ ] 🌐 Relay and transport hardening (~30%)
+- [ ] 🔌 Priority integrations (~20%)
+
+## 🎯 Next 4 Weeks
+
+1. Ship stable relay-sync benchmark lane with report schema v1.
+2. Deliver real finance reference workload for both demo and benchmark use.
+3. Finalize benchmark integration SDK/API for external app and framework lanes.
+4. Close bench reliability gaps (driver parity, scenario coverage, regression policy).
+5. Publish clearer public docs and benchmark evidence surfaces.
+
+## 🤝 Contributing
+
+Contributions are welcome. See [CONTRIBUTING](https://github.com/SQLoot/.github/blob/main/CONTRIBUTING.md) for workflow and quality standards.
+
+## 🔐 Security
+
+For responsible disclosure, see [SECURITY](https://github.com/SQLoot/.github/blob/main/SECURITY.md).
 
 ---
 
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