feat: model selection for given provider (#57)

* feat: model selection for given provider

* tweak: adjust cfg validation func, remove duplicated logic, consolidate agent updating into agent.go

* tweak: make the model dialog scrollable, adjust padding slightly for modal"

* feat: add provider selection, add hints, simplify some logic, add horizontal scrolling support, additional scroll indicators"

* remove nav help

* update docs

* increase number of visible models, make horizontal scroll "wrap"

* add provider popularity rankings

1 files changed, 12 insertions, 1 deletions

diff --git a/README.md b/README.md
index c893115e7..1e5433c2e 100644
--- a/README.md
+++ b/README.md
@@ -168,7 +168,7 @@ OpenCode supports a variety of AI models from different providers:
 
 ### Groq
 
-- Llama 4 Maverick (17b-128e-instruct) 
+- Llama 4 Maverick (17b-128e-instruct)
 - Llama 4 Scout (17b-16e-instruct)
 - QWEN QWQ-32b
 - Deepseek R1 distill Llama 70b
@@ -216,6 +216,7 @@ opencode -c /path/to/project
 | `Ctrl+L` | View logs                                               |
 | `Ctrl+A` | Switch session                                          |
 | `Ctrl+K` | Command dialog                                          |
+| `Ctrl+O` | Toggle model selection dialog                           |
 | `Esc`    | Close current overlay/dialog or return to previous mode |
 
 ### Chat Page Shortcuts
@@ -245,6 +246,16 @@ opencode -c /path/to/project
 | `Enter`    | Select session   |
 | `Esc`      | Close dialog     |
 
+### Model Dialog Shortcuts
+
+| Shortcut   | Action            |
+| ---------- | ----------------- |
+| `↑` or `k` | Move up           |
+| `↓` or `j` | Move down         |
+| `←` or `h` | Previous provider |
+| `→` or `l` | Next provider     |
+| `Esc`      | Close dialog      |
+
 ### Permission Dialog Shortcuts
 
 | Shortcut                | Action                       |