Load the daemon .env file and document it

poc/pnpm-lock.yaml

@@ -11,6 +11,9 @@ importers:
       '@modelcontextprotocol/sdk':
         specifier: ^1.30.0
         version: 1.30.0(zod@4.6.2)
+      dotenv:
+        specifier: ^17.4.2
+        version: 17.4.2
       express:
         specifier: ^5.2.1
         version: 5.2.1
@@ -363,6 +366,10 @@ packages:
   dijkstrajs@1.0.3:
     resolution: {integrity: sha512-qiSlmBq9+BCdCA/L46dw8Uy93mloxsPSbwnm5yrKn2vMPiy8KyAskTF6zuV/j5BMsmOGZDPs7KjU+mjb670kfA==}
 
+  dotenv@17.4.2:
+    resolution: {integrity: sha512-nI4U3TottKAcAD9LLud4Cb7b2QztQMUEfHbvhTH09bqXTxnSie8WnjPALV/WMCrJZ6UV/qHJ6L03OqO3LcdYZw==}
+    engines: {node: '>=12'}
+
   dunder-proto@1.0.1:
     resolution: {integrity: sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==}
     engines: {node: '>= 0.4'}
@@ -1014,6 +1021,8 @@ snapshots:
 
   dijkstrajs@1.0.3: {}
 
+  dotenv@17.4.2: {}
+
   dunder-proto@1.0.1:
     dependencies:
       call-bind-apply-helpers: 1.0.2