feat(git-master): add configurable commit footer and co-author options

Add git_master config with commit_footer and include_co_authored_by flags.
Users can disable Sisyphus attribution in commits via oh-my-opencode.json.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

README.md

@@ -917,6 +917,7 @@ Available agents: `oracle`, `librarian`, `explore`, `frontend-ui-ux-engineer`, `
 Oh My OpenCode includes built-in skills that provide additional capabilities:
 
 - **playwright**: Browser automation with Playwright MCP. Use for web scraping, testing, screenshots, and browser interactions.
+- **git-master**: Git expert for atomic commits, rebase/squash, and history search (blame, bisect, log -S). STRONGLY RECOMMENDED: Use with `sisyphus_task(category='quick', skills=['git-master'], ...)` to save context.
 
 Disable built-in skills via `disabled_skills` in `~/.config/opencode/oh-my-opencode.json` or `.opencode/oh-my-opencode.json`:
 
@@ -926,7 +927,25 @@ Disable built-in skills via `disabled_skills` in `~/.config/opencode/oh-my-openc
 }
 ```
 
-Available built-in skills: `playwright`
+Available built-in skills: `playwright`, `git-master`
+
+### Git Master
+
+Configure git-master skill behavior:
+
+```json
+{
+  "git_master": {
+    "commit_footer": true,
+    "include_co_authored_by": true
+  }
+}
+```
+
+| Option | Default | Description |
+| ------ | ------- | ----------- |
+| `commit_footer` | `true` | Adds "Ultraworked with Sisyphus" footer to commit messages. |
+| `include_co_authored_by` | `true` | Adds `Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>` trailer to commits. |
 
 ### Sisyphus Agent
 

assets/oh-my-opencode.schema.json

@@ -37,7 +37,8 @@
         "type": "string",
         "enum": [
           "playwright",
-          "frontend-ui-ux"
+          "frontend-ui-ux",
+          "git-master"
         ]
       }
     },
@@ -1999,6 +2000,19 @@
           "type": "boolean"
         }
       }
+    },
+    "git_master": {
+      "type": "object",
+      "properties": {
+        "commit_footer": {
+          "default": true,
+          "type": "boolean"
+        },
+        "include_co_authored_by": {
+          "default": true,
+          "type": "boolean"
+        }
+      }
     }
   }
 }

src/config/schema.ts

@@ -30,6 +30,7 @@ export const BuiltinAgentNameSchema = z.enum([
 export const BuiltinSkillNameSchema = z.enum([
   "playwright",
   "frontend-ui-ux",
+  "git-master",
 ])
 
 export const OverridableAgentNameSchema = z.enum([
@@ -283,6 +284,12 @@ export const NotificationConfigSchema = z.object({
   force_enable: z.boolean().optional(),
 })
 
+export const GitMasterConfigSchema = z.object({
+  /** Add "Ultraworked with Sisyphus" footer to commit messages (default: true) */
+  commit_footer: z.boolean().default(true),
+  /** Add "Co-authored-by: Sisyphus" trailer to commit messages (default: true) */
+  include_co_authored_by: z.boolean().default(true),
+})
 export const OhMyOpenCodeConfigSchema = z.object({
   $schema: z.string().optional(),
   disabled_mcps: z.array(AnyMcpNameSchema).optional(),
@@ -302,6 +309,7 @@ export const OhMyOpenCodeConfigSchema = z.object({
   ralph_loop: RalphLoopConfigSchema.optional(),
   background_task: BackgroundTaskConfigSchema.optional(),
   notification: NotificationConfigSchema.optional(),
+  git_master: GitMasterConfigSchema.optional(),
 })
 
 export type OhMyOpenCodeConfig = z.infer<typeof OhMyOpenCodeConfigSchema>
@@ -323,5 +331,6 @@ export type NotificationConfig = z.infer<typeof NotificationConfigSchema>
 export type CategoryConfig = z.infer<typeof CategoryConfigSchema>
 export type CategoriesConfig = z.infer<typeof CategoriesConfigSchema>
 export type BuiltinCategoryName = z.infer<typeof BuiltinCategoryNameSchema>
+export type GitMasterConfig = z.infer<typeof GitMasterConfigSchema>
 
 export { AnyMcpNameSchema, type AnyMcpName, McpNameSchema, type McpName } from "../mcp/types"

src/features/builtin-skills/git-master/SKILL.md

@@ -529,6 +529,34 @@ IF style == SHORT:
 3. Is it similar to examples from git log?
 
 If ANY check fails -> REWRITE message.
+
+### 5.5 Commit Footer & Co-Author (Configurable)
+
+**Check oh-my-opencode.json for these flags:**
+- `git_master.commit_footer` (default: true) - adds footer message
+- `git_master.include_co_authored_by` (default: true) - adds co-author trailer
+
+If enabled, add Sisyphus attribution to EVERY commit:
+
+1. **Footer in commit body (if `commit_footer: true`):**
+```
+Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)
+```
+
+2. **Co-authored-by trailer (if `include_co_authored_by: true`):**
+```
+Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
+```
+
+**Example (both enabled):**
+```bash
+git commit -m "{Commit Message}" -m "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)" -m "Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>"
+```
+
+**To disable:** Set in oh-my-opencode.json:
+```json
+{ "git_master": { "commit_footer": false, "include_co_authored_by": false } }
+```
 </execution>
 
 ---

src/features/builtin-skills/skills.ts

@@ -622,6 +622,34 @@ IF style == SHORT:
 3. Is it similar to examples from git log?
 
 If ANY check fails -> REWRITE message.
+
+### 5.5 Commit Footer & Co-Author (Configurable)
+
+**Check oh-my-opencode.json for these flags:**
+- \`git_master.commit_footer\` (default: true) - adds footer message
+- \`git_master.include_co_authored_by\` (default: true) - adds co-author trailer
+
+If enabled, add Sisyphus attribution to EVERY commit:
+
+1. **Footer in commit body (if \`commit_footer: true\`):**
+\`\`\`
+Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)
+\`\`\`
+
+2. **Co-authored-by trailer (if \`include_co_authored_by: true\`):**
+\`\`\`
+Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
+\`\`\`
+
+**Example (both enabled):**
+\`\`\`bash
+git commit -m "{Commit Message}" -m "Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)" -m "Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>"
+\`\`\`
+
+**To disable:** Set in oh-my-opencode.json:
+\`\`\`json
+{ "git_master": { "commit_footer": false, "include_co_authored_by": false } }
+\`\`\`
 </execution>
 
 ---