diff --git a/DEPLOYMENT.md b/DEPLOYMENT.md
index ad58aa8..527565e 100644
--- a/DEPLOYMENT.md
+++ b/DEPLOYMENT.md
@@ -31,7 +31,7 @@ Optional same-origin pattern:
 3. Add resource `omo-bot-dashboard` from this repository:
    - Base directory: `admin-dashboard`
    - Build command: `npm run build`
-   - Publish directory: `dist`
+   - Publish directory: `/`
    - Internal port: `80` (typical static web port behind Coolify)
 4. Configure domains for each resource and enable TLS certificates.
 
diff --git a/src/config.ts b/src/config.ts
index 3c876e7..97d34fe 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -207,6 +207,7 @@ async function loadConfigOverridesFromDatabase(
 }
 
 function buildConfig(readConfig: ConfigReader): BotConfig {
+  const discordClientId = readConfig("DISCORD_CLIENT_ID")?.trim();
   const discordGuildId = readConfig("DISCORD_GUILD_ID");
   const callSheetMessageId = readConfig("CALL_SHEET_MESSAGE_ID");
   const callSheetOnboardedRoleId = readConfig("CALL_SHEET_ONBOARDED_ROLE_ID");
@@ -266,12 +267,19 @@ function buildConfig(readConfig: ConfigReader): BotConfig {
   const openmicSyncToken = readConfig("OPENMIC_SYNC_TOKEN")?.trim();
   const oauthBridgeEnabled =
     Boolean(oauthBridgeClientSecret) && Boolean(oauthBridgeRedirectUri);
+
+  if (oauthBridgeEnabled && !discordClientId) {
+    throw new Error(
+      "Missing required configuration value: DISCORD_CLIENT_ID (required when OAuth bridge is enabled)",
+    );
+  }
+
   const configurationDatabaseEnabled =
     readConfig("CONFIG_DB_ENABLED") === "false" ? false : Boolean(databaseUrl);
 
   return {
     discordToken: readRequiredValue(readConfig, "DISCORD_TOKEN"),
-    discordClientId: readRequiredValue(readConfig, "DISCORD_CLIENT_ID"),
+    discordClientId: discordClientId ?? "",
     ...(discordGuildId ? { discordGuildId } : {}),
     callSheet: {
       ...(callSheetMessageId ? { messageId: callSheetMessageId } : {}),
@@ -475,17 +483,15 @@ export async function loadRuntimeConfig(): Promise<BotConfig> {
     return loadConfig();
   }
 
+  let overrides: Map<string, string>;
   try {
-    const overrides = await loadConfigOverridesFromDatabase(
-      databaseUrl,
-      guildScope,
-    );
-
-    return buildConfig((name) => overrides.get(name) ?? process.env[name]);
+    overrides = await loadConfigOverridesFromDatabase(databaseUrl, guildScope);
   } catch (error: unknown) {
     console.warn(
-      `Falling back to environment config. Config DB overrides unavailable: ${String(error)}`,
+      `Config DB unavailable. Falling back to environment config: ${String(error)}`,
     );
     return loadConfig();
   }
+
+  return buildConfig((name) => overrides.get(name) ?? process.env[name]);
 }
diff --git a/src/deploy-commands.ts b/src/deploy-commands.ts
index 0af0b1c..b43b6a7 100644
--- a/src/deploy-commands.ts
+++ b/src/deploy-commands.ts
@@ -5,6 +5,12 @@ import { loadRuntimeConfig } from "./config";
 
 async function registerCommands(): Promise<void> {
   const config = await loadRuntimeConfig();
+  if (!config.discordClientId) {
+    throw new Error(
+      "DISCORD_CLIENT_ID required for command registration. Set it in bot_settings or environment.",
+    );
+  }
+
   const rest = new REST({ version: "10" }).setToken(config.discordToken);
   const body = commands.map((command) => command.data.toJSON());