fix: retry backend connection, freeze_support, collect all chromadb modules

Author: cutiips

pyinstaller.spec

@@ -16,8 +16,16 @@ After build, copy:
 import platform
 import subprocess
 
+from PyInstaller.utils.hooks import collect_all, collect_submodules
+
 block_cipher = None
 
+# ChromaDB uses dynamic imports heavily — collect everything
+chromadb_datas, chromadb_binaries, chromadb_hiddenimports = collect_all("chromadb")
+
+# Also collect all onnxruntime submodules (used by chromadb embeddings)
+onnxruntime_hiddenimports = collect_submodules("onnxruntime")
+
 # Determine the Rust target triple (Tauri sidecar naming convention)
 def get_target_triple():
     try:
@@ -43,14 +51,15 @@ TARGET_TRIPLE = get_target_triple()
 a = Analysis(
     ["server.py"],
     pathex=["."],
-    binaries=[],
+    binaries=chromadb_binaries,
     datas=[
         ("src/web/static", "src/web/static"),
         ("templates", "templates"),
         ("forms", "forms"),
         (".env.example", "."),
-    ],
+    ] + chromadb_datas,
     hiddenimports=[
+        # DoctorFill modules
         "src",
         "src.config",
         "src.config.settings",
@@ -80,9 +89,10 @@ a = Analysis(
         "src.templates.loader",
         "src.web",
         "src.web.app",
+        # Third-party
         "flask",
+        "flask_cors",
         "dotenv",
-        "chromadb",
         "tiktoken",
         "tiktoken_ext",
         "tiktoken_ext.openai_public",
@@ -95,7 +105,7 @@ a = Analysis(
         "json_repair",
         "tqdm",
         "requests",
-    ],
+    ] + chromadb_hiddenimports + onnxruntime_hiddenimports,
     hookspath=[],
     hooksconfig={},
     runtime_hooks=[],

server.py

@@ -7,13 +7,16 @@
 
 import sys
 import os
+import multiprocessing
+
+# Fix for macOS/Windows PyInstaller + multiprocessing
+multiprocessing.freeze_support()
 
 # Ensure the project root is in sys.path for absolute imports
 # when running as a PyInstaller bundle.
 if getattr(sys, '_MEIPASS', None):
     sys.path.insert(0, sys._MEIPASS)
 
-from src.web.app import app, main
-
 if __name__ == "__main__":
+    from src.web.app import main
     main()

src/web/static/index.html

@@ -494,18 +494,26 @@ <h1>DoctorFill</h1>
         });
 
         // ──────────────────────────────────────────────────
-        // Init: check if configured
+        // Init: wait for backend then check config
         // ──────────────────────────────────────────────────
-        fetch(API_BASE + '/config')
-            .then(r => r.json())
-            .then(data => {
-                if (data.configured) {
-                    showMain();
-                } else {
-                    showSetup();
-                }
-            })
-            .catch(() => showSetup());
+        async function waitForBackend(retries = 15, delay = 500) {
+            for (let i = 0; i < retries; i++) {
+                try {
+                    const r = await fetch(API_BASE + '/config');
+                    if (r.ok) return await r.json();
+                } catch (_) { /* server not ready yet */ }
+                await new Promise(res => setTimeout(res, delay));
+            }
+            return null;
+        }
+
+        waitForBackend().then(data => {
+            if (data && data.configured) {
+                showMain();
+            } else {
+                showSetup();
+            }
+        });
 
         // ──────────────────────────────────────────────────
         // Main screen: form loading