[AZ-640] Bootstrap Rust workspace, CI/Docker, observability scaffold

Lands the first task of the implementation epic AZ-626: a cargo workspace
with 14 crates (shared + autopilot binary + 12 component crates), a
multi-stage Dockerfile + dev/test compose stacks, a Woodpecker CI pipeline,
the on-airframe systemd unit with flight-gate wiring, three environment
TOML configs, and the canonical entity catalogue from data_model.md as
`shared::models`.

Per-AC verification (full detail in
_docs/03_implementation/batch_01_cycle1_report.md):

- AC-1 cargo check --workspace clean
- AC-2 cargo test --workspace passes; per-crate it_compiles() <0.01 s
- AC-6 cargo build/test --no-default-features clean; VlmClient default
       impl returns VlmAssessment::disabled()
- AC-9 tracing-subscriber emits JSON logs with ts/level/target/fields
- AC-10 runtime::ensure_state_directories creates mapobjects/, audit/,
        pending_pushes/ under storage.state_dir

Deferred to external infra (artifacts written, verification re-runs in CI
and in downstream tasks):
- AC-3 Woodpecker runner; CI yml in place
- AC-4 docker-compose mocks land with AZ-660/AZ-644/AZ-675
- AC-5 SITL conformance lands with AZ-641/AZ-648/AZ-652
- AC-7 aarch64 cross-compile via cargo-zigbuild stage
- AC-8 systemd unit (Linux + systemd host)

Layering invariants from module-layout.md hold: shared (L1) imports
nothing; Layer 2 actor crates import only shared; Layer 3 coordinators
(operator_bridge, mission_executor) import only their documented Layer 2
deps; Layer 4 (scan_controller) imports its documented Layer 2 + Layer 3
deps; the autopilot binary (L5) is the only consumer of every component.

cargo fmt --all --check + cargo clippy --all-targets -- -D warnings both
clean. Jira AZ-640 transitioned to In Progress at the start of this batch;
the matching In Testing transition follows this commit.

Co-authored-by: Cursor <cursoragent@cursor.com>

crates/mapobjects_store/src/lib.rs

@@ -0,0 +1,108 @@
+//! `mapobjects_store` — H3-indexed on-device map of detected objects.
+//!
+//! Real implementation lands in:
+//! - AZ-665 `mapobjects_store_h3_classify`
+//! - AZ-666 `mapobjects_store_ignored_and_pass_sweep`
+//! - AZ-667 `mapobjects_store_hydrate_and_pending`
+//! - AZ-668 `mapobjects_store_persistence`
+
+use serde::{Deserialize, Serialize};
+
+use shared::error::{AutopilotError, Result};
+use shared::health::ComponentHealth;
+use shared::models::detection::Detection;
+use shared::models::mapobject::MapObjectsBundle;
+use shared::models::poi::Poi;
+
+const NAME: &str = "mapobjects_store";
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum Classification {
+    New,
+    Moved,
+    Existing,
+    RemovedCandidate,
+    Ignored,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum SyncState {
+    /// Bundle pulled centrally and applied.
+    Hydrated,
+    /// Local-observed records exist but have not been pushed.
+    Pending,
+    /// Push acknowledged centrally.
+    PushedOk,
+    /// Push failed; will retry from `pending_pushes/`.
+    PushDeferred,
+}
+
+pub struct MapObjectsStore;
+
+impl MapObjectsStore {
+    pub fn new() -> Self {
+        Self
+    }
+
+    pub fn handle(&self) -> MapObjectsStoreHandle {
+        MapObjectsStoreHandle
+    }
+}
+
+impl Default for MapObjectsStore {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+#[derive(Clone, Copy)]
+pub struct MapObjectsStoreHandle;
+
+impl MapObjectsStoreHandle {
+    pub async fn classify(&self, _detection: Detection) -> Result<Classification> {
+        Err(AutopilotError::NotImplemented(
+            "mapobjects_store::classify (AZ-665)",
+        ))
+    }
+
+    pub async fn apply_decline(&self, _poi: Poi) -> Result<()> {
+        Err(AutopilotError::NotImplemented(
+            "mapobjects_store::apply_decline (AZ-666)",
+        ))
+    }
+
+    pub async fn dump_pending(&self) -> Result<MapObjectsBundle> {
+        Err(AutopilotError::NotImplemented(
+            "mapobjects_store::dump_pending (AZ-667)",
+        ))
+    }
+
+    pub async fn hydrate(&self, _bundle: MapObjectsBundle) -> Result<()> {
+        Err(AutopilotError::NotImplemented(
+            "mapobjects_store::hydrate (AZ-667)",
+        ))
+    }
+
+    pub async fn set_sync_state(&self, _state: SyncState) -> Result<()> {
+        Err(AutopilotError::NotImplemented(
+            "mapobjects_store::set_sync_state (AZ-667)",
+        ))
+    }
+
+    pub fn health(&self) -> ComponentHealth {
+        ComponentHealth::disabled(NAME)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_compiles() {
+        let h = MapObjectsStore::new().handle();
+        assert_eq!(h.health().level, shared::health::HealthLevel::Disabled);
+    }
+}