feat(nn): entry–secret N:N, unique secret names, web unlink

Bump secrets-mcp to 0.3.8 (tag 0.3.7 already used).

- Junction table entry_secrets; secrets user-scoped with type
- Per-user unique secrets.name; link_secret_names on add
- Manual migrations + migrate script; MCP/tool and Web updates

Made-with: Cursor

crates/secrets-mcp/src/tools.rs

@@ -225,12 +225,18 @@ struct AddInput {
         description = "Metadata fields as a JSON object {\"key\": value}. Merged with 'meta' if both provided."
     )]
     meta_obj: Option<Map<String, Value>>,
-    #[schemars(description = "Secret fields as 'key=value' strings")]
+    #[schemars(
+        description = "Secret fields as 'key=value' strings. Reminder: non-sensitive endpoint/address fields should go to metadata.address instead of secrets."
+    )]
     secrets: Option<Vec<String>>,
     #[schemars(
-        description = "Secret fields as a JSON object {\"key\": \"value\"}. Merged with 'secrets' if both provided."
+        description = "Secret fields as a JSON object {\"key\": \"value\"}. Merged with 'secrets' if both provided. Reminder: non-sensitive endpoint/address fields should go to metadata.address."
     )]
     secrets_obj: Option<Map<String, Value>>,
+    #[schemars(
+        description = "Link existing secrets by secret name. Names must resolve uniquely under current user."
+    )]
+    link_secret_names: Option<Vec<String>>,
 }
 
 #[derive(Debug, Deserialize, JsonSchema)]
@@ -259,10 +265,12 @@ struct UpdateInput {
     meta_obj: Option<Map<String, Value>>,
     #[schemars(description = "Metadata field keys to remove")]
     remove_meta: Option<Vec<String>>,
-    #[schemars(description = "Secret fields to update/add as 'key=value' strings")]
+    #[schemars(
+        description = "Secret fields to update/add as 'key=value' strings. Reminder: non-sensitive endpoint/address fields should go to metadata.address instead of secrets."
+    )]
     secrets: Option<Vec<String>>,
     #[schemars(
-        description = "Secret fields to update/add as a JSON object {\"key\": \"value\"}. Merged with 'secrets' if both provided."
+        description = "Secret fields to update/add as a JSON object {\"key\": \"value\"}. Merged with 'secrets' if both provided. Reminder: non-sensitive endpoint/address fields should go to metadata.address."
     )]
     secrets_obj: Option<Map<String, Value>>,
     #[schemars(description = "Secret field keys to remove")]
@@ -429,10 +437,20 @@ impl SecretsService {
             .entries
             .iter()
             .map(|e| {
-                let schema: Vec<&str> = result
+                let schema: Vec<serde_json::Value> = result
                     .secret_schemas
                     .get(&e.id)
-                    .map(|f| f.iter().map(|s| s.field_name.as_str()).collect())
+                    .map(|f| {
+                        f.iter()
+                            .map(|s| {
+                                serde_json::json!({
+                                    "id": s.id,
+                                    "name": s.name,
+                                    "type": s.secret_type,
+                                })
+                            })
+                            .collect()
+                    })
                     .unwrap_or_default();
                 serde_json::json!({
                     "id": e.id,
@@ -517,10 +535,20 @@ impl SecretsService {
                         "updated_at": e.updated_at.format("%Y-%m-%dT%H:%M:%SZ").to_string(),
                     })
                 } else {
-                    let schema: Vec<&str> = result
+                    let schema: Vec<serde_json::Value> = result
                         .secret_schemas
                         .get(&e.id)
-                        .map(|f| f.iter().map(|s| s.field_name.as_str()).collect())
+                        .map(|f| {
+                            f.iter()
+                                .map(|s| {
+                                    serde_json::json!({
+                                        "id": s.id,
+                                        "name": s.name,
+                                        "type": s.secret_type,
+                                    })
+                                })
+                                .collect()
+                        })
                         .unwrap_or_default();
                     serde_json::json!({
                         "id": e.id,
@@ -639,6 +667,7 @@ impl SecretsService {
         if let Some(obj) = input.secrets_obj {
             secrets.extend(map_to_kv_strings(obj));
         }
+        let link_secret_names = input.link_secret_names.unwrap_or_default();
         let folder = input.folder.as_deref().unwrap_or("");
         let entry_type = input.entry_type.as_deref().unwrap_or("");
         let notes = input.notes.as_deref().unwrap_or("");
@@ -653,6 +682,7 @@ impl SecretsService {
                 tags: &tags,
                 meta_entries: &meta,
                 secret_entries: &secrets,
+                link_secret_names: &link_secret_names,
                 user_id: Some(user_id),
             },
             &user_key,