remove CLAUDE.md changes

Resolves conflict in CLAUDE.md by keeping our detailed Configuration section.

[skip-regression-check]

.gitignore

@@ -28,3 +28,4 @@ trace_*.json
 
 # Local Claude Code settings (machine-specific, should not be committed)
 .claude/settings.local.json
+rust_out

src/cli/mcp.rs

@@ -626,7 +626,7 @@ async fn save_servers(
     }
 }
 
-/// Initialize and return the secrets store.
+/// Get the secrets store for MCP authentication operations.
 async fn get_secrets_store() -> anyhow::Result<Arc<dyn SecretsStore + Send + Sync>> {
     let config = Config::from_env().await?;
 

src/db/mod.rs

@@ -77,7 +77,7 @@ pub async fn connect_from_config(
             Ok(Arc::new(backend))
         }
         #[cfg(feature = "postgres")]
-        _ => {
+        crate::config::DatabaseBackend::Postgres => {
             let pg = postgres::PgBackend::new(config)
                 .await
                 .map_err(|e| DatabaseError::Pool(e.to_string()))?;
@@ -85,9 +85,16 @@ pub async fn connect_from_config(
             Ok(Arc::new(pg))
         }
         #[cfg(not(feature = "postgres"))]
-        _ => Err(DatabaseError::Pool(
-            "No database backend available. Enable 'postgres' or 'libsql' feature.".to_string(),
+        crate::config::DatabaseBackend::Postgres => Err(DatabaseError::Pool(
+            "No postgres backend available. Rebuild with --features postgres.".to_string(),
         )),
+        // Catches LibSql in postgres-only builds (libsql arm compiled out)
+        #[allow(unreachable_patterns)]
+        _ => Err(DatabaseError::Pool(format!(
+            "Database backend {:?} not available in this build. \
+             Set DATABASE_BACKEND to a compiled-in backend, or rebuild with the matching feature flag.",
+            config.backend
+        ))),
     }
 }
 
@@ -130,7 +137,7 @@ pub async fn create_secrets_store(
             )))
         }
         #[cfg(feature = "postgres")]
-        _ => {
+        crate::config::DatabaseBackend::Postgres => {
             let pg = postgres::PgBackend::new(config)
                 .await
                 .map_err(|e| DatabaseError::Pool(e.to_string()))?;
@@ -142,10 +149,16 @@ pub async fn create_secrets_store(
             )))
         }
         #[cfg(not(feature = "postgres"))]
-        _ => Err(DatabaseError::Pool(
-            "No database backend available for secrets. Enable 'postgres' or 'libsql' feature."
-                .to_string(),
+        crate::config::DatabaseBackend::Postgres => Err(DatabaseError::Pool(
+            "No postgres backend available. Rebuild with --features postgres.".to_string(),
         )),
+        // Catches LibSql in postgres-only builds (libsql arm compiled out)
+        #[allow(unreachable_patterns)]
+        _ => Err(DatabaseError::Pool(format!(
+            "Database backend {:?} not available in this build. \
+             Set DATABASE_BACKEND to a compiled-in backend, or rebuild with the matching feature flag.",
+            config.backend
+        ))),
     }
 }