refactor: simplify upload rules and remove destination flow

README.md

@@ -1,6 +1,6 @@
 # upload-GLTF
 
-A secure web interface for uploading 3D assets (GLTF/GLB + textures) to two destinations:
+A secure web interface for uploading 3D assets (GLTF/GLB + textures) with two outputs:
 
 - **Nextcloud Drive** — Archives the original files with automatic versioning (VF/V1/V2...), so artists always have a history of past versions.
 - **GitHub** — Delivers compressed models (Draco via Blender) to the dev team's repository, ready for integration.
@@ -87,10 +87,9 @@ The Docker image includes Blender headless (installed once at build time). On st
 ## How it works
 
 1. The user enters their access key
-2. They pick a **destination** (`farm`, `map`, `powergrid`, `workshop`, `general`, `environment`)
-3. They select a folder containing:
-   - `model.glb` or `model.gltf` (**required**)
-   - Textures: `roughness`, `normal`, `metalness`, `color`, `displace` (`.png/.jpg/.webp`, **optional** — missing textures show a warning but don't block the upload)
+2. They select a folder containing:
+   - `model.glb` (**required**)
+   - Any associated textures (`.png/.jpg/.jpeg/.webp`)
 4. The model is displayed in a 3D preview
 5. On clicking "Envoyer":
    - The app checks the remote Git repo for existing files and computes diffs (textures by size, models always re-pushed)
@@ -111,7 +110,7 @@ The Drive uses a `VF` (version finale) / `Vx` (archived versions) structure:
 Models/
   VF/                    ← latest version
     coffeetest/
-      model.gltf
+      model.glb
       color.jpg
   V1/                    ← first archive
     coffeetest/
@@ -131,42 +130,32 @@ All changes are pushed in a **single commit** with a formatted message:
 
 **New folder:**
 ```
-update: upload-gltf add a new model -> farm/my-model
+update: upload-gltf add a new model -> my-model
 
 📦 Model
-  ✅ model.gltf (compressed)
+  ✅ model.glb (compressed)
 🎨 Textures
   ✅ color.jpg
-  ❌ metalness (manquant)
 ```
 
-**Update (only metalness changed):**
+**Update (only one texture changed):**
 ```
-update: upload-gltf update -> general/coffeetest
+update: upload-gltf update -> coffeetest
 
 📦 Model
-  ↔️ model.gltf (inchange)
+  ↔️ model.glb (inchange)
 🎨 Textures
-  🔄 metalness.jpg
+  🔄 color_tuyaux.jpg
 ```
 
-Symbols: `✅` new — `🔄` modified — `↔️` unchanged (model always re-pushed) — `❌` missing or deleted
+Symbols: `✅` new — `🔄` modified — `↔️` unchanged (model always re-pushed) — `❌` deleted
 
 8. Orphan files (present on remote but not in the new upload) are deleted in the same commit
 9. If Blender is unavailable, the original model is pushed as-is (graceful fallback)
 
 ## Destinations
 
-Uploaded models are pushed to `public/models/<destination>/<folderName>/` in the target repo:
-
-| Destination | Path |
-|-------------|------|
-| Farm | `public/models/farm/` |
-| Map | `public/models/map/` |
-| Powergrid | `public/models/powergrid/` |
-| Workshop | `public/models/workshop/` |
-| General | `public/models/general/` |
-| Environment | `public/models/environment/` |
+Uploaded models are pushed to `public/models/<folderName>/` in the target repo.
 
 ## Project Structure
 
@@ -185,7 +174,6 @@ components/
 │   └── Modal.tsx              # Shared modal wrapper + ModalActions
 ├── upload/
 │   ├── SecretInput.tsx        # Access key input
-│   ├── DestinationPicker.tsx  # Destination selector
 │   ├── FolderDropzone.tsx     # Folder drag & drop / picker
 │   ├── FolderCard.tsx         # Folder status card (Drive + Git)
 │   ├── DriveStatusLine.tsx    # Drive/Git status sub-line
@@ -202,7 +190,7 @@ hooks/
 ├── useFolderEntries.ts        # Folder entries state management
 └── useUploadOrchestrator.ts   # Upload pipeline orchestration (Drive → Git)
 lib/
-├── constants.ts           # Shared constants, destinations, extensions
+├── constants.ts           # Shared constants and extensions
 ├── types.ts               # Server types (ParsedFile, FileDiff, etc.)
 ├── client-types.ts        # Client types (FolderEntry, DriveStatus, etc.)
 ├── upload-api.ts          # Client-side API helpers (check, uploadDrive, uploadGit)