update readme to reflect new config system

README.md

@@ -54,7 +54,7 @@ changes the current session; to change the default for every session, edit
 
 ### Change the default model
 
-Edit `model` (and optionally `small_model`) in
+Edit `model` (and optionally `agents.title.model`) in
 [`config/opencode/opencode.json`](config/opencode/opencode.json), then apply the
 change:
 
@@ -67,13 +67,17 @@ needed.
 
 ### Register a new weave model
 
-Add the model under `provider.weave.models` in `opencode.json`:
+Add the model under `providers.weave.models` in `opencode.json`:
 
 ```json
 "provider": {
   "weave": {
     "models": {
-      "my-new-model": { "tools": true }
+      "my-new-model": { 
+        "capabilities" { 
+          "tools": true 
+        } 
+      }
     }
   }
 }
@@ -118,17 +122,17 @@ name** from that stack's compose and `<port>` is the container's *internal* port
 
 ### `opencode.json` keys
 
-- **`model` / `small_model`** — default model and the model used for lighter
+- **`model`** — default model.
-  tasks. Both default to `weave/glm-5.2`.
+- **`agents.title.model`** — model used to generate session titles (replaces deprecated `small_model`)
-- **`provider.weave`** — the weave provider, using the
+- **`providers.weave`** — the weave provider, using the
-  `@ai-sdk/openai-compatible` adapter against `https://weave.redpencil.io/v1`
+  `@opencode/ai/providers/openai-compatible` adapter against `https://weave.redpencil.io/v1`
   with the key from `WEAVE_API_KEY`.
-- **`provider.weave.models`** — the models offered in `/models`.
+- **`providers.weave.models`** — the models offered in `/models`.
-- **`lsp`** — language servers baked into the image:
+- **`permissions`** — set to `ask` for read, edit, bash, and external-directory
-  `typescript-language-server` for TS/JS and `pyright` for Python.
-- **`permission`** — set to `ask` for read, edit, bash, and external-directory
   actions, so opencode prompts before acting.
 
+Check-out https://opencode.ai/v2/docs/config/ for more options.
+
 ### Caveats
 
 - Copy from the TUI over Docker needs the `Shift`+click / `Ctrl`+`Shift`+`C`