diff --git a/src/cli/__snapshots__/model-fallback.test.ts.snap b/src/cli/__snapshots__/model-fallback.test.ts.snap
index 04cf6202..8c8365f0 100644
--- a/src/cli/__snapshots__/model-fallback.test.ts.snap
+++ b/src/cli/__snapshots__/model-fallback.test.ts.snap
@@ -4,19 +4,7 @@ exports[`generateModelConfig no providers available returns ULTIMATE_FALLBACK fo
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Prometheus (Planner)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "opencode/glm-4.7-free",
     },
     "explore": {
@@ -25,12 +13,24 @@ exports[`generateModelConfig no providers available returns ULTIMATE_FALLBACK fo
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "opencode/glm-4.7-free",
+    },
+    "momus": {
+      "model": "opencode/glm-4.7-free",
+    },
     "multimodal-looker": {
       "model": "opencode/glm-4.7-free",
     },
     "oracle": {
       "model": "opencode/glm-4.7-free",
     },
+    "prometheus": {
+      "model": "opencode/glm-4.7-free",
+    },
+    "sisyphus": {
+      "model": "opencode/glm-4.7-free",
+    },
   },
   "categories": {
     "artistry": {
@@ -62,21 +62,7 @@ exports[`generateModelConfig single native provider uses Claude models when only
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "anthropic/claude-opus-4-5",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
     "explore": {
@@ -85,6 +71,13 @@ exports[`generateModelConfig single native provider uses Claude models when only
     "librarian": {
       "model": "anthropic/claude-sonnet-4-5",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "anthropic/claude-opus-4-5",
+    },
     "multimodal-looker": {
       "model": "anthropic/claude-haiku-4-5",
     },
@@ -92,6 +85,13 @@ exports[`generateModelConfig single native provider uses Claude models when only
       "model": "anthropic/claude-opus-4-5",
       "variant": "max",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -126,30 +126,22 @@ exports[`generateModelConfig single native provider uses Claude models with isMa
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "anthropic/claude-opus-4-5",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
     "explore": {
       "model": "anthropic/claude-haiku-4-5",
     },
     "librarian": {
       "model": "anthropic/claude-sonnet-4-5",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "anthropic/claude-opus-4-5",
+    },
     "multimodal-looker": {
       "model": "anthropic/claude-haiku-4-5",
     },
@@ -157,6 +149,14 @@ exports[`generateModelConfig single native provider uses Claude models with isMa
       "model": "anthropic/claude-opus-4-5",
       "variant": "max",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
   },
   "categories": {
     "artistry": {
@@ -192,31 +192,23 @@ exports[`generateModelConfig single native provider uses OpenAI models when only
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "openai/gpt-5.2",
     },
-    "Metis (Plan Consultant)": {
-      "model": "openai/gpt-5.2",
-      "variant": "high",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "openai/gpt-5.2",
-      "variant": "high",
-    },
-    "Sisyphus": {
-      "model": "openai/gpt-5.2",
-      "variant": "high",
-    },
     "explore": {
       "model": "opencode/grok-code",
     },
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "openai/gpt-5.2",
+      "variant": "high",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "openai/gpt-5.2",
     },
@@ -224,6 +216,14 @@ exports[`generateModelConfig single native provider uses OpenAI models when only
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "openai/gpt-5.2",
+      "variant": "high",
+    },
+    "sisyphus": {
+      "model": "openai/gpt-5.2",
+      "variant": "high",
+    },
   },
   "categories": {
     "artistry": {
@@ -259,31 +259,23 @@ exports[`generateModelConfig single native provider uses OpenAI models with isMa
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "openai/gpt-5.2",
     },
-    "Metis (Plan Consultant)": {
-      "model": "openai/gpt-5.2",
-      "variant": "high",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "openai/gpt-5.2",
-      "variant": "high",
-    },
-    "Sisyphus": {
-      "model": "openai/gpt-5.2-codex",
-      "variant": "medium",
-    },
     "explore": {
       "model": "opencode/grok-code",
     },
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "openai/gpt-5.2",
+      "variant": "high",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "openai/gpt-5.2",
     },
@@ -291,6 +283,14 @@ exports[`generateModelConfig single native provider uses OpenAI models with isMa
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "openai/gpt-5.2",
+      "variant": "high",
+    },
+    "sisyphus": {
+      "model": "openai/gpt-5.2-codex",
+      "variant": "medium",
+    },
   },
   "categories": {
     "artistry": {
@@ -326,21 +326,7 @@ exports[`generateModelConfig single native provider uses Gemini models when only
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "google/gemini-3-pro-preview",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "google/gemini-3-pro-preview",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "google/gemini-3-pro-preview",
-      "variant": "max",
-    },
-    "Prometheus (Planner)": {
-      "model": "google/gemini-3-pro-preview",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "google/gemini-3-pro-preview",
     },
     "explore": {
@@ -349,12 +335,26 @@ exports[`generateModelConfig single native provider uses Gemini models when only
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "google/gemini-3-pro-preview",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "google/gemini-3-pro-preview",
+      "variant": "max",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
     "oracle": {
       "model": "google/gemini-3-pro-preview",
     },
+    "prometheus": {
+      "model": "google/gemini-3-pro-preview",
+    },
+    "sisyphus": {
+      "model": "google/gemini-3-pro-preview",
+    },
   },
   "categories": {
     "artistry": {
@@ -387,21 +387,7 @@ exports[`generateModelConfig single native provider uses Gemini models with isMa
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "google/gemini-3-pro-preview",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "google/gemini-3-pro-preview",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "google/gemini-3-pro-preview",
-      "variant": "max",
-    },
-    "Prometheus (Planner)": {
-      "model": "google/gemini-3-pro-preview",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "google/gemini-3-pro-preview",
     },
     "explore": {
@@ -410,12 +396,26 @@ exports[`generateModelConfig single native provider uses Gemini models with isMa
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "google/gemini-3-pro-preview",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "google/gemini-3-pro-preview",
+      "variant": "max",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
     "oracle": {
       "model": "google/gemini-3-pro-preview",
     },
+    "prometheus": {
+      "model": "google/gemini-3-pro-preview",
+    },
+    "sisyphus": {
+      "model": "google/gemini-3-pro-preview",
+    },
   },
   "categories": {
     "artistry": {
@@ -448,22 +448,7 @@ exports[`generateModelConfig all native providers uses preferred models from fal
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
     "explore": {
@@ -472,6 +457,14 @@ exports[`generateModelConfig all native providers uses preferred models from fal
     "librarian": {
       "model": "anthropic/claude-sonnet-4-5",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
@@ -479,6 +472,13 @@ exports[`generateModelConfig all native providers uses preferred models from fal
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -512,31 +512,23 @@ exports[`generateModelConfig all native providers uses preferred models with isM
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
     "explore": {
       "model": "anthropic/claude-haiku-4-5",
     },
     "librarian": {
       "model": "anthropic/claude-sonnet-4-5",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
@@ -544,6 +536,14 @@ exports[`generateModelConfig all native providers uses preferred models with isM
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
   },
   "categories": {
     "artistry": {
@@ -578,22 +578,7 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models when on
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "opencode/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "opencode/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "opencode/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "opencode/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "opencode/claude-sonnet-4-5",
     },
     "explore": {
@@ -602,6 +587,14 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models when on
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "opencode/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "opencode/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "opencode/gemini-3-flash-preview",
     },
@@ -609,6 +602,13 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models when on
       "model": "opencode/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "opencode/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "opencode/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -642,31 +642,23 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models with is
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "opencode/claude-sonnet-4-5",
     },
-    "Metis (Plan Consultant)": {
-      "model": "opencode/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "opencode/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "opencode/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
-      "model": "opencode/claude-opus-4-5",
-      "variant": "max",
-    },
     "explore": {
       "model": "opencode/claude-haiku-4-5",
     },
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "opencode/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "opencode/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "opencode/gemini-3-flash-preview",
     },
@@ -674,6 +666,14 @@ exports[`generateModelConfig fallback providers uses OpenCode Zen models with is
       "model": "opencode/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "opencode/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "opencode/claude-opus-4-5",
+      "variant": "max",
+    },
   },
   "categories": {
     "artistry": {
@@ -708,22 +708,7 @@ exports[`generateModelConfig fallback providers uses GitHub Copilot models when
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "github-copilot/claude-sonnet-4.5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "github-copilot/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
     "explore": {
@@ -732,6 +717,14 @@ exports[`generateModelConfig fallback providers uses GitHub Copilot models when
     "librarian": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
+    "metis": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "github-copilot/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "github-copilot/gemini-3-flash-preview",
     },
@@ -739,6 +732,13 @@ exports[`generateModelConfig fallback providers uses GitHub Copilot models when
       "model": "github-copilot/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "github-copilot/claude-sonnet-4.5",
+    },
   },
   "categories": {
     "artistry": {
@@ -772,31 +772,23 @@ exports[`generateModelConfig fallback providers uses GitHub Copilot models with
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
-    "Metis (Plan Consultant)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "github-copilot/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Sisyphus": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
     "explore": {
       "model": "opencode/grok-code",
     },
     "librarian": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
+    "metis": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "github-copilot/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "github-copilot/gemini-3-flash-preview",
     },
@@ -804,6 +796,14 @@ exports[`generateModelConfig fallback providers uses GitHub Copilot models with
       "model": "github-copilot/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
   },
   "categories": {
     "artistry": {
@@ -838,19 +838,7 @@ exports[`generateModelConfig fallback providers uses ZAI model for librarian whe
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Prometheus (Planner)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "opencode/glm-4.7-free",
     },
     "explore": {
@@ -859,12 +847,24 @@ exports[`generateModelConfig fallback providers uses ZAI model for librarian whe
     "librarian": {
       "model": "zai-coding-plan/glm-4.7",
     },
+    "metis": {
+      "model": "opencode/glm-4.7-free",
+    },
+    "momus": {
+      "model": "opencode/glm-4.7-free",
+    },
     "multimodal-looker": {
       "model": "zai-coding-plan/glm-4.6v",
     },
     "oracle": {
       "model": "opencode/glm-4.7-free",
     },
+    "prometheus": {
+      "model": "opencode/glm-4.7-free",
+    },
+    "sisyphus": {
+      "model": "opencode/glm-4.7-free",
+    },
   },
   "categories": {
     "artistry": {
@@ -896,33 +896,33 @@ exports[`generateModelConfig fallback providers uses ZAI model for librarian wit
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "opencode/glm-4.7-free",
     },
-    "Metis (Plan Consultant)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Prometheus (Planner)": {
-      "model": "opencode/glm-4.7-free",
-    },
-    "Sisyphus": {
-      "model": "zai-coding-plan/glm-4.7",
-    },
     "explore": {
       "model": "opencode/grok-code",
     },
     "librarian": {
       "model": "zai-coding-plan/glm-4.7",
     },
+    "metis": {
+      "model": "opencode/glm-4.7-free",
+    },
+    "momus": {
+      "model": "opencode/glm-4.7-free",
+    },
     "multimodal-looker": {
       "model": "zai-coding-plan/glm-4.6v",
     },
     "oracle": {
       "model": "opencode/glm-4.7-free",
     },
+    "prometheus": {
+      "model": "opencode/glm-4.7-free",
+    },
+    "sisyphus": {
+      "model": "zai-coding-plan/glm-4.7",
+    },
   },
   "categories": {
     "artistry": {
@@ -954,22 +954,7 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + OpenCode Zen
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "opencode/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
     "explore": {
@@ -978,6 +963,14 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + OpenCode Zen
     "librarian": {
       "model": "opencode/glm-4.7-free",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "opencode/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "opencode/gemini-3-flash-preview",
     },
@@ -985,6 +978,13 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + OpenCode Zen
       "model": "opencode/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -1018,22 +1018,7 @@ exports[`generateModelConfig mixed provider scenarios uses OpenAI + Copilot comb
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "github-copilot/claude-sonnet-4.5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
     "explore": {
@@ -1042,6 +1027,14 @@ exports[`generateModelConfig mixed provider scenarios uses OpenAI + Copilot comb
     "librarian": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
+    "metis": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "github-copilot/gemini-3-flash-preview",
     },
@@ -1049,6 +1042,13 @@ exports[`generateModelConfig mixed provider scenarios uses OpenAI + Copilot comb
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "github-copilot/claude-sonnet-4.5",
+    },
   },
   "categories": {
     "artistry": {
@@ -1082,21 +1082,7 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + ZAI combinat
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "anthropic/claude-opus-4-5",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
     "explore": {
@@ -1105,6 +1091,13 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + ZAI combinat
     "librarian": {
       "model": "zai-coding-plan/glm-4.7",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "anthropic/claude-opus-4-5",
+    },
     "multimodal-looker": {
       "model": "anthropic/claude-haiku-4-5",
     },
@@ -1112,6 +1105,13 @@ exports[`generateModelConfig mixed provider scenarios uses Claude + ZAI combinat
       "model": "anthropic/claude-opus-4-5",
       "variant": "max",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -1146,21 +1146,7 @@ exports[`generateModelConfig mixed provider scenarios uses Gemini + Claude combi
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "anthropic/claude-opus-4-5",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
     "explore": {
@@ -1169,6 +1155,13 @@ exports[`generateModelConfig mixed provider scenarios uses Gemini + Claude combi
     "librarian": {
       "model": "anthropic/claude-sonnet-4-5",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "anthropic/claude-opus-4-5",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
@@ -1176,6 +1169,13 @@ exports[`generateModelConfig mixed provider scenarios uses Gemini + Claude combi
       "model": "anthropic/claude-opus-4-5",
       "variant": "max",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -1209,22 +1209,7 @@ exports[`generateModelConfig mixed provider scenarios uses all fallback provider
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "github-copilot/claude-sonnet-4.5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "github-copilot/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "github-copilot/claude-opus-4.5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "github-copilot/claude-sonnet-4.5",
     },
     "explore": {
@@ -1233,6 +1218,14 @@ exports[`generateModelConfig mixed provider scenarios uses all fallback provider
     "librarian": {
       "model": "zai-coding-plan/glm-4.7",
     },
+    "metis": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "github-copilot/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "github-copilot/gemini-3-flash-preview",
     },
@@ -1240,6 +1233,13 @@ exports[`generateModelConfig mixed provider scenarios uses all fallback provider
       "model": "github-copilot/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "github-copilot/claude-opus-4.5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "github-copilot/claude-sonnet-4.5",
+    },
   },
   "categories": {
     "artistry": {
@@ -1273,22 +1273,7 @@ exports[`generateModelConfig mixed provider scenarios uses all providers togethe
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
-      "model": "anthropic/claude-sonnet-4-5",
-    },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
     "explore": {
@@ -1297,6 +1282,14 @@ exports[`generateModelConfig mixed provider scenarios uses all providers togethe
     "librarian": {
       "model": "zai-coding-plan/glm-4.7",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
@@ -1304,6 +1297,13 @@ exports[`generateModelConfig mixed provider scenarios uses all providers togethe
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-sonnet-4-5",
+    },
   },
   "categories": {
     "artistry": {
@@ -1337,31 +1337,23 @@ exports[`generateModelConfig mixed provider scenarios uses all providers with is
 {
   "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
   "agents": {
-    "Atlas": {
+    "atlas": {
       "model": "anthropic/claude-sonnet-4-5",
     },
-    "Metis (Plan Consultant)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Momus (Plan Reviewer)": {
-      "model": "openai/gpt-5.2",
-      "variant": "medium",
-    },
-    "Prometheus (Planner)": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
-    "Sisyphus": {
-      "model": "anthropic/claude-opus-4-5",
-      "variant": "max",
-    },
     "explore": {
       "model": "anthropic/claude-haiku-4-5",
     },
     "librarian": {
       "model": "zai-coding-plan/glm-4.7",
     },
+    "metis": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "momus": {
+      "model": "openai/gpt-5.2",
+      "variant": "medium",
+    },
     "multimodal-looker": {
       "model": "google/gemini-3-flash-preview",
     },
@@ -1369,6 +1361,14 @@ exports[`generateModelConfig mixed provider scenarios uses all providers with is
       "model": "openai/gpt-5.2",
       "variant": "high",
     },
+    "prometheus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
+    "sisyphus": {
+      "model": "anthropic/claude-opus-4-5",
+      "variant": "max",
+    },
   },
   "categories": {
     "artistry": {
diff --git a/src/cli/config-manager.test.ts b/src/cli/config-manager.test.ts
index 3ec4334e..1aac92be 100644
--- a/src/cli/config-manager.test.ts
+++ b/src/cli/config-manager.test.ts
@@ -219,7 +219,7 @@ describe("generateOmoConfig - model fallback system", () => {
     // #then should use native anthropic sonnet (cost-efficient for standard plan)
     expect(result.$schema).toBe("https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json")
     expect(result.agents).toBeDefined()
-    expect((result.agents as Record<string, { model: string }>).Sisyphus.model).toBe("anthropic/claude-sonnet-4-5")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("anthropic/claude-sonnet-4-5")
   })
 
   test("generates native opus models when Claude max20 subscription", () => {
@@ -238,7 +238,7 @@ describe("generateOmoConfig - model fallback system", () => {
     const result = generateOmoConfig(config)
 
     // #then should use native anthropic opus (max power for max20 plan)
-    expect((result.agents as Record<string, { model: string }>).Sisyphus.model).toBe("anthropic/claude-opus-4-5")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("anthropic/claude-opus-4-5")
   })
 
   test("uses github-copilot sonnet fallback when only copilot available", () => {
@@ -257,7 +257,7 @@ describe("generateOmoConfig - model fallback system", () => {
     const result = generateOmoConfig(config)
 
     // #then should use github-copilot sonnet models (copilot fallback)
-    expect((result.agents as Record<string, { model: string }>).Sisyphus.model).toBe("github-copilot/claude-sonnet-4.5")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("github-copilot/claude-sonnet-4.5")
   })
 
   test("uses ultimate fallback when no providers configured", () => {
@@ -277,7 +277,7 @@ describe("generateOmoConfig - model fallback system", () => {
 
     // #then should use ultimate fallback for all agents
     expect(result.$schema).toBe("https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json")
-    expect((result.agents as Record<string, { model: string }>).Sisyphus.model).toBe("opencode/glm-4.7-free")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("opencode/glm-4.7-free")
   })
 
   test("uses zai-coding-plan/glm-4.7 for librarian when Z.ai available", () => {
@@ -298,7 +298,7 @@ describe("generateOmoConfig - model fallback system", () => {
     // #then librarian should use zai-coding-plan/glm-4.7
     expect((result.agents as Record<string, { model: string }>).librarian.model).toBe("zai-coding-plan/glm-4.7")
     // #then other agents should use native opus (max20 plan)
-    expect((result.agents as Record<string, { model: string }>).Sisyphus.model).toBe("anthropic/claude-opus-4-5")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("anthropic/claude-opus-4-5")
   })
 
   test("uses native OpenAI models when only ChatGPT available", () => {
@@ -317,7 +317,7 @@ describe("generateOmoConfig - model fallback system", () => {
     const result = generateOmoConfig(config)
 
     // #then Sisyphus should use native OpenAI (fallback within native tier)
-    expect((result.agents as Record<string, { model: string }>).Sisyphus.model).toBe("openai/gpt-5.2")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("openai/gpt-5.2")
     // #then Oracle should use native OpenAI (first fallback entry)
     expect((result.agents as Record<string, { model: string }>).oracle.model).toBe("openai/gpt-5.2")
     // #then multimodal-looker should use native OpenAI (fallback within native tier)
diff --git a/src/cli/doctor/checks/model-resolution.test.ts b/src/cli/doctor/checks/model-resolution.test.ts
index e5d6e1f6..9bbe236d 100644
--- a/src/cli/doctor/checks/model-resolution.test.ts
+++ b/src/cli/doctor/checks/model-resolution.test.ts
@@ -12,7 +12,7 @@ describe("model-resolution check", () => {
       const info = getModelResolutionInfo()
 
       // #then: Should have agent entries
-      const sisyphus = info.agents.find((a) => a.name === "Sisyphus")
+      const sisyphus = info.agents.find((a) => a.name === "sisyphus")
       expect(sisyphus).toBeDefined()
       expect(sisyphus!.requirement.fallbackChain[0]?.model).toBe("claude-opus-4-5")
       expect(sisyphus!.requirement.fallbackChain[0]?.providers).toContain("anthropic")
@@ -84,7 +84,7 @@ describe("model-resolution check", () => {
       const info = getModelResolutionInfoWithOverrides(mockConfig)
 
       // #then: Should show provider fallback chain
-      const sisyphus = info.agents.find((a) => a.name === "Sisyphus")
+      const sisyphus = info.agents.find((a) => a.name === "sisyphus")
       expect(sisyphus).toBeDefined()
       expect(sisyphus!.userOverride).toBeUndefined()
       expect(sisyphus!.effectiveResolution).toContain("Provider fallback:")
diff --git a/src/cli/model-fallback.test.ts b/src/cli/model-fallback.test.ts
index 15c54698..a7ab33bb 100644
--- a/src/cli/model-fallback.test.ts
+++ b/src/cli/model-fallback.test.ts
@@ -364,7 +364,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then Sisyphus should use opus (sisyphus-high)
-      expect(result.agents?.Sisyphus?.model).toBe("anthropic/claude-opus-4-5")
+      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4-5")
     })
 
     test("Sisyphus uses sisyphus-low capability when isMax20 is false", () => {
@@ -375,7 +375,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then Sisyphus should use sonnet (sisyphus-low)
-      expect(result.agents?.Sisyphus?.model).toBe("anthropic/claude-sonnet-4-5")
+      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-sonnet-4-5")
     })
   })
 
diff --git a/src/cli/model-fallback.ts b/src/cli/model-fallback.ts
index 023e9920..a3eefb2b 100644
--- a/src/cli/model-fallback.ts
+++ b/src/cli/model-fallback.ts
@@ -97,7 +97,7 @@ function resolveModelFromChain(
 function getSisyphusFallbackChain(isMaxPlan: boolean): FallbackEntry[] {
   // Sisyphus uses opus when isMaxPlan, sonnet otherwise
   if (isMaxPlan) {
-    return AGENT_MODEL_REQUIREMENTS.Sisyphus.fallbackChain
+    return AGENT_MODEL_REQUIREMENTS.sisyphus.fallbackChain
   }
   // For non-max plan, use sonnet instead of opus
   return [
@@ -153,7 +153,7 @@ export function generateModelConfig(config: InstallConfig): GeneratedOmoConfig {
 
     // Special case: Sisyphus uses different fallbackChain based on isMaxPlan
     const fallbackChain =
-      role === "Sisyphus" ? getSisyphusFallbackChain(avail.isMaxPlan) : req.fallbackChain
+      role === "sisyphus" ? getSisyphusFallbackChain(avail.isMaxPlan) : req.fallbackChain
 
     const resolved = resolveModelFromChain(fallbackChain, avail)
     if (resolved) {