feat(ai): read opencode-go credentials from SQLite account DB

configs/init-ai.el

@@ -39,13 +39,41 @@
               "minimax-m2.5:cloud"
               "qwen3-coder-next:cloud"))
 
-  ;; Backend opencode-go: suscripción OpenCode Go vía endpoint OpenAI-compatible
+  ;; Backend opencode-go: suscripción OpenCode Go vía endpoint OpenAI-compatible.
+  ;; Las versiones actuales de opencode guardan el login de consola en su base
+  ;; de datos SQLite (token OAuth + organización activa), no en auth.json.
+  (defconst kj-opencode-db-file
+    (expand-file-name "~/.local/share/opencode/opencode.db")
+    "Ruta de la base de datos SQLite de opencode.")
+
+  (defun kj-opencode-console-credentials ()
+    "Return (TOKEN . ORG-ID) for opencode's active console account."
+    (when (and (fboundp 'sqlite-select)
+               (file-readable-p kj-opencode-db-file))
+      (ignore-errors
+        (let ((db (sqlite-open kj-opencode-db-file t)))
+          (unwind-protect
+              (when-let* ((row (car (sqlite-select
+                                     db
+                                     "select a.access_token, s.active_org_id \
+from account_state s join account a on a.id = s.active_account_id \
+limit 1"))))
+                (cons (nth 0 row) (nth 1 row)))
+            (sqlite-close db))))))
+
   (defun kj-opencode-go-key ()
-    "Return the OpenCode Go API key from opencode's auth file."
+    "Return the credential to use for the OpenCode Go backend."
+    (or (car (kj-opencode-console-credentials))
+        (getenv "OPENCODE_CONSOLE_TOKEN")
         (let ((auth (with-temp-buffer
                       (insert-file-contents "~/.local/share/opencode/auth.json")
                       (json-parse-buffer :object-type 'alist))))
-      (alist-get 'key (alist-get 'opencode-go auth))))
+          (alist-get 'key (alist-get 'opencode-go auth)))))
+
+  (defun kj-opencode-go-org-id ()
+    "Return opencode's active workspace id, when available."
+    (or (cdr (kj-opencode-console-credentials))
+        (getenv "OPENCODE_ORG_ID")))
 
   (defvar-local kj-opencode-session-id nil
     "Stable OpenCode session id for this conversation buffer.")
@@ -65,10 +93,12 @@
         (kj-opencode-go-new-session-id))))
 
   (defun kj-opencode-go-header (info)
-    "Auth plus per-conversation session header for the OpenCode Go backends."
+    "Auth, workspace and per-conversation session headers for OpenCode Go."
     (append
      (when-let* ((key (gptel--get-api-key)))
        `(("Authorization" . ,(concat "Bearer " key))))
+     (when-let* ((org (kj-opencode-go-org-id)))
+       `(("x-opencode-org-id" . ,org)))
      `(("x-opencode-session" . ,(kj-opencode-go-session-id info)))))
 
   (gptel-make-openai "OpenCode Go"
@@ -77,30 +107,23 @@
     :key #'kj-opencode-go-key
     :header #'kj-opencode-go-header
     :stream t
-    :models '(minimax-m3 minimax-m2.7 minimax-m2.5
-                         kimi-k3 kimi-k2.7-code kimi-k2.6 longcat-2.0 kimi-k2.5
-                         glm-5.3-flash glm-5.3 glm-5.2 glm-5.1 glm-5
-                         deepseek-v4-pro deepseek-v4-flash deepseek-v4-flash-vision-exp
-                         qwen3.8-max qwen3.7-max qwen3.7-plus qwen3.6-plus qwen3.5-plus
-                         mimo-v2-pro mimo-v2-omni mimo-v2.5-pro mimo-v2.5
-                         hy3 hy3-preview
-                         gpt-5.6-luna grok-4.5 grok-4.6
-                         muse-spark-1.2-contributor))
-
-  ;; Modelos gratuitos de OpenCode Go, servidos vía el endpoint /zen/v1
-  (gptel-make-openai "OpenCode Free"
-    :host "opencode.ai"
-    :endpoint "/zen/v1/chat/completions"
-    :key #'kj-opencode-go-key
-    :header #'kj-opencode-go-header
-    :stream t
-    :models '(big-pickle deepseek-v4-flash-free muse-spark-1.2-contributor-free
-                         mimo-v2.5-free hy3-free nemotron-3-ultra-free
-                         nemotron-3.5-lightning-free laguna-s-2.1-free))
+    :models '(deepseek-v4.1-flash deepseek-v4-pro
+                         glm-5.1 glm-5.2 glm-5.3 glm-5.3-flash
+                         grok-4.6 grok-4.7
+                         mimo-v2.5 mimo-v2.5-pro mimo-v2.6-flash mimo-v2.6-pro
+                         minimax-m2.5 minimax-m2.7 minimax-m3
+                         kimi-k2.6 kimi-k2.7-code kimi-k3
+                         longcat-2.0
+                         qwen3.6-plus qwen3.7-plus qwen3.7-max qwen3.8-flash qwen3.8-max
+                         gpt-5.6-luna gpt-6-luna claude-haiku-5-5
+                         hy3 hy4-preview omen-alpha step-5-preview
+                         beam-free minimax-m3.1-flash-free longcat-2.5-preview-free
+                         muse-spark-1.2-contributor muse-spark-1.3-contributor
+                         gemini-4-argon-contributor))
 
   ;; Backend y modelo por defecto
   (setq gptel-backend (gptel-get-backend "OpenCode Go")
-        gptel-model 'mimo-v2.5-free)
+        gptel-model 'mimo-v2.6-flash)
 
   (setq gptel-default-mode 'markdown-mode
         gptel-prompt-prefix-alist