Scaffold workspace, shared types and requirements spec

Cargo workspace with core/ble/fit/probe crates. crates/core/src/types.rs
is the fixed contract between the BLE layer, ride engine and UI.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src-tauri/Cargo.toml

@@ -0,0 +1,40 @@
+[package]
+name = "bikecontrol-app"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+description = "BikeControl desktop shell: Tauri commands and the event bridge to the UI"
+
+[lib]
+# Tauri v2 convention: the app lives in a lib so the same code can be reused by
+# the Android/iOS entry points later (G-4).
+name = "bikecontrol_app_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+bikecontrol-core = { workspace = true }
+
+tauri = { version = "2", features = [] }
+tauri-plugin-dialog = "2"
+
+serde = { workspace = true }
+serde_json = { workspace = true }
+serde_yaml_ng = { workspace = true }
+tokio = { workspace = true }
+anyhow = { workspace = true }
+thiserror = { workspace = true }
+tracing = { workspace = true }
+tracing-subscriber = { workspace = true }
+
+[features]
+default = ["mock-ride"]
+# Drive the UI from the synthetic ride simulator in `src/mock.rs`. This is what
+# ships today, while `crates/core` and `crates/ble` are still being written.
+mock-ride = []
+# Drive the UI from `bikecontrol_core::RideSession` fed by real FTMS telemetry.
+# Swap `default` to this once core's `session`/`physics` are implemented.
+real-session = []

src-tauri/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    tauri_build::build();
+}

src-tauri/capabilities/default.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Permissions for the BikeControl main window.",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "core:event:default",
+    "core:window:default",
+    "core:webview:default",
+    "core:app:default",
+    "dialog:default"
+  ]
+}

src-tauri/tauri.conf.json

@@ -0,0 +1,48 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "BikeControl",
+  "version": "0.1.0",
+  "identifier": "paris.tourolle.bikecontrol",
+  "build": {
+    "frontendDist": "../ui/dist",
+    "devUrl": "http://localhost:1420",
+    "beforeDevCommand": {
+      "cwd": "../ui",
+      "script": "npm run dev"
+    },
+    "beforeBuildCommand": {
+      "cwd": "../ui",
+      "script": "npm run build"
+    }
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "BikeControl",
+        "width": 1440,
+        "height": 900,
+        "minWidth": 960,
+        "minHeight": 640,
+        "resizable": true,
+        "fullscreen": false,
+        "backgroundColor": "#07090d"
+      }
+    ],
+    "security": {
+      "csp": "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data:; connect-src ipc: http://ipc.localhost"
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.png"
+    ],
+    "category": "Utility",
+    "shortDescription": "Indoor cycling trainer control",
+    "longDescription": "Control a smart trainer over BLE, ride gradient profiles and synthetic waveforms, and record the result."
+  }
+}