ci: disable pr-review workflow and switch issue agents to mimo-v2.5

.github/workflows/pr-review.yml

@@ -1,12 +1,7 @@
 name: pr-review
 
 on:
-  pull_request_target:
+  workflow_dispatch:
-    types: [opened, synchronize, reopened, ready_for_review, converted_to_draft]
-  issue_comment:
-    types: [created]
-  pull_request_review_comment:
-    types: [created]
 
 concurrency:
   # PR conversation comments arrive as `issue_comment` events, so their PR number

.opencode/agent/reproduce-issue.md

@@ -1,7 +1,7 @@
 ---
 mode: primary
 hidden: true
-model: opencode-go/deepseek-v4-flash
+model: opencode-go/mimo-v2.5
 color: "#c0392b"
 permission:
   edit: allow

.opencode/agent/summarize.md

@@ -1,7 +1,7 @@
 ---
 mode: primary
 hidden: true
-model: opencode-go/deepseek-v4-flash
+model: opencode-go/mimo-v2.5
 color: "#4f8f8f"
 permission:
   edit: deny

.opencode/agent/triage.md

@@ -1,7 +1,7 @@
 ---
 mode: primary
 hidden: true
-model: opencode-go/deepseek-v4-flash
+model: opencode-go/mimo-v2.5
 color: "#c4920a"
 permission:
   edit: deny