feat: add initial

Signed-off-by: kjuulh <contact@kjuulh.io>

todos/SQ-000-workspace-skeleton.md

@@ -0,0 +1,46 @@
+# SQ-000: Workspace Skeleton
+
+**Status:** `[x] DONE`
+**Blocked by:** None
+**Priority:** Critical (everything depends on this)
+
+## Description
+
+Bootstrap the entire SQ workspace: Cargo workspace, all crate stubs, buf protobuf config, dev tooling, and gitignore. Every crate should compile with an empty `lib.rs` or `main.rs`.
+
+## Files to Create
+
+### Root
+- `Cargo.toml` - workspace root with all members and shared dependencies
+- `Cargo.lock` - (generated)
+- `buf.yaml` - buf module definition (`buf.build/rawpotion/sq`)
+- `buf.gen.yaml` - prost + tonic codegen config
+- `mise.toml` - dev tasks (build, test, generate:proto, local:up/down)
+- `.gitignore` - target/, .env, etc.
+- `.env` - local dev environment vars
+
+### Proto
+- `interface/proto/sq/v1/health.proto` - minimal Status service
+
+### Crate stubs
+- `crates/sq-grpc-interface/Cargo.toml` + `src/lib.rs`
+- `crates/sq-models/Cargo.toml` + `src/lib.rs`
+- `crates/sq-storage/Cargo.toml` + `src/lib.rs`
+- `crates/sq-cluster/Cargo.toml` + `src/lib.rs`
+- `crates/sq-server/Cargo.toml` + `src/main.rs`
+- `crates/sq-sdk/Cargo.toml` + `src/lib.rs`
+- `crates/sq-sim/Cargo.toml` + `src/lib.rs`
+
+## Acceptance Criteria
+
+- [x] `cargo check --workspace` passes
+- [x] `cargo test --workspace` passes (no tests yet, but no errors)
+- [x] All 7 crates are listed in workspace members
+- [x] Workspace dependencies match forest/fungus conventions (tonic 0.14.2, prost 0.14.1, etc.)
+
+## Notes
+
+- Follow forest's Cargo.toml pattern exactly: `/home/kjuulh/git/src.rawpotion.io/rawpotion/forest/Cargo.toml`
+- Follow forest's buf.gen.yaml: `/home/kjuulh/git/src.rawpotion.io/rawpotion/forest/buf.gen.yaml`
+- Use Rust edition 2024
+- sq-server is the only binary crate; all others are libraries