diff --git a/dev-lead/app-lead/workspace.yaml b/dev-lead/app-lead/workspace.yaml
index 89921ba..5ba9c19 100644
--- a/dev-lead/app-lead/workspace.yaml
+++ b/dev-lead/app-lead/workspace.yaml
@@ -4,7 +4,7 @@ role: >-
   Leads App-FE, App-QA, Doc Specialist, Technical Writer.
 tier: 3
 runtime: claude-code
-model: MiniMax-M2.7
+model: opus
 parent: dev-lead
 files_dir: dev-lead/app-lead
 plugins: [molecule-skill-code-review, molecule-skill-llm-judge]
diff --git a/dev-lead/core-lead/workspace.yaml b/dev-lead/core-lead/workspace.yaml
index b694a55..8d015b5 100644
--- a/dev-lead/core-lead/workspace.yaml
+++ b/dev-lead/core-lead/workspace.yaml
@@ -4,7 +4,7 @@ role: >-
   Leads Core-BE, Core-FE, Core-QA, Core-Security, Core-UIUX, Core-DevOps, Core-OffSec.
 tier: 3
 runtime: claude-code
-model: MiniMax-M2.7
+model: opus
 parent: dev-lead
 files_dir: dev-lead/core-lead
 plugins: [molecule-skill-code-review, molecule-skill-llm-judge, molecule-compliance]
diff --git a/dev-lead/cp-lead/workspace.yaml b/dev-lead/cp-lead/workspace.yaml
index d8a558f..fba30a3 100644
--- a/dev-lead/cp-lead/workspace.yaml
+++ b/dev-lead/cp-lead/workspace.yaml
@@ -4,7 +4,7 @@ role: >-
   Triage+merge authority. Leads CP-BE, CP-QA, CP-Security.
 tier: 3
 runtime: claude-code
-model: MiniMax-M2.7
+model: opus
 parent: dev-lead
 files_dir: dev-lead/cp-lead
 plugins: [molecule-hitl, molecule-skill-code-review, molecule-security-scan, molecule-skill-llm-judge, molecule-compliance]
diff --git a/dev-lead/infra-lead/workspace.yaml b/dev-lead/infra-lead/workspace.yaml
index 4a36c5c..65ab01a 100644
--- a/dev-lead/infra-lead/workspace.yaml
+++ b/dev-lead/infra-lead/workspace.yaml
@@ -4,7 +4,7 @@ role: >-
   molecule-ci, molecule-ai/internal. Leads Infra-SRE, Infra-Runtime-BE.
 tier: 3
 runtime: claude-code
-model: MiniMax-M2.7
+model: opus
 parent: dev-lead
 files_dir: dev-lead/infra-lead
 plugins: [molecule-hitl, molecule-skill-code-review, molecule-freeze-scope]
diff --git a/dev-lead/sdk-lead/workspace.yaml b/dev-lead/sdk-lead/workspace.yaml
index 57bcee7..f5863fe 100644
--- a/dev-lead/sdk-lead/workspace.yaml
+++ b/dev-lead/sdk-lead/workspace.yaml
@@ -4,7 +4,7 @@ role: >-
   molecule-cli, all plugin repos. Leads SDK-Dev, Plugin-Dev.
 tier: 3
 runtime: claude-code
-model: MiniMax-M2.7
+model: opus
 parent: dev-lead
 files_dir: dev-lead/sdk-lead
 plugins: [molecule-skill-code-review, molecule-skill-llm-judge, molecule-compliance]
diff --git a/dev-lead/workspace.yaml b/dev-lead/workspace.yaml
index ef7a568..171d712 100644
--- a/dev-lead/workspace.yaml
+++ b/dev-lead/workspace.yaml
@@ -5,7 +5,7 @@ role: >-
   Manager, Integration Tester, and Fullstack (floater).
 tier: 3
 runtime: claude-code
-model: MiniMax-M2.7
+model: opus
 files_dir: dev-lead
 # Dev Lead enforces PR quality gates (see gate 2a in
         # .claude/skills/triage/SKILL.md) and reviews engineering output