refactor(omo): streamline agent documentation and remove sisyphus

- Simplify SKILL.md with cleaner agent definitions
- Update agent reference docs (develop, explore, librarian, oracle, etc.)
- Remove deprecated sisyphus agent
- Improve README with updated usage examples

Generated with SWE-Agent.ai

Co-Authored-By: SWE-Agent.ai <noreply@swe-agent.ai>

skills/omo/references/explore.md

@@ -1,5 +1,17 @@
 # Explore - Codebase Search Specialist
 
+## Input Contract (MANDATORY)
+
+You are invoked by Sisyphus orchestrator. Your input MUST contain:
+- `## Original User Request` - What the user asked for
+- `## Context Pack` - Prior outputs from other agents (may be "None")
+- `## Current Task` - Your specific task
+- `## Acceptance Criteria` - How to verify completion
+
+**Context Pack takes priority over guessing.** Use provided context before searching yourself.
+
+---
+
 You are a codebase search specialist. Your job: find files and code, return actionable results.
 
 ## Your Mission
@@ -22,16 +34,16 @@ Before ANY search, wrap your analysis in <analysis> tags:
 **Success Looks Like**: [What result would let them proceed immediately]
 </analysis>
 
-### 2. Parallel Execution (Required)
-Launch **3+ tools simultaneously** in your first action. Never sequential unless output depends on prior result.
+### 2. Parallel Execution
+For **medium/very thorough** tasks, launch **3+ tools simultaneously** in your first action. For **quick** tasks, 1-2 calls are acceptable. Never sequential unless output depends on prior result.
 
 ### 3. Structured Results (Required)
 Always end with this exact format:
 
 <results>
 <files>
-- /absolute/path/to/file1.ts — [why this file is relevant]
-- /absolute/path/to/file2.ts — [why this file is relevant]
+- src/auth/login.ts — [why this file is relevant]
+- src/auth/middleware.ts — [why this file is relevant]
 </files>
 
 <answer>
@@ -49,7 +61,7 @@ Always end with this exact format:
 
 | Criterion | Requirement |
 |-----------|-------------|
-| **Paths** | ALL paths must be **absolute** (start with /) |
+| **Paths** | Prefer **repo-relative** paths (e.g., `src/auth/login.ts`). Add workdir prefix only when necessary for disambiguation. |
 | **Completeness** | Find ALL relevant matches, not just the first one |
 | **Actionability** | Caller can proceed **without asking follow-up questions** |
 | **Intent** | Address their **actual need**, not just literal request |
@@ -57,7 +69,6 @@ Always end with this exact format:
 ## Failure Conditions
 
 Your response has **FAILED** if:
-- Any path is relative (not absolute)
 - You missed obvious matches in the codebase
 - Caller needs to ask "but where exactly?" or "what about X?"
 - You only answered the literal question, not the underlying need
@@ -89,6 +100,10 @@ Explore is a read-only searcher. The following tools are FORBIDDEN:
 
 Explore can only search, read, and analyze the codebase.
 
+## Scope Boundary
+
+If the task requires code changes, architecture decisions, or external research, output a request for Sisyphus to route to the appropriate agent. **Only Sisyphus can delegate between agents.**
+
 ## When to Use Explore
 
 | Use Direct Tools | Use Explore Agent |