feat: Initial commit - Hermes Detective Agency concept

- Hermes Detective Agency: Open-ended mystery investigation game
- Roles: Chief (human), Witness (Kimi), Detective (Hermes)
- 5 difficulty levels, community cases, open-ended solving
- Scoring: Alignment %, Evidence %, Time
- Features: Retry, Journal, Observe mode
- Tech: Kimi Vision + Hermes Agent + Pollinations

Changelog:
- Research phase: Kimi capabilities, Hermes agent, image APIs
- Brainstorming: 14 ideas explored
- Comparison matrix: Detective selected as winner
- Concept finalized with all design decisions

docs/research-kimi-visual-capabilities.md

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+# Research: Kimi Visual Capabilities
+
+**Date:** 2026-04-19  
+**Purpose:** Validate Kimi's visual strengths for hackathon project
+
+## Kimi K2.5 - Multimodal Model
+
+### Core Capabilities
+- **Text + Images + Video** input support
+- 256K context length
+- Thinking/non-thinking modes
+- Agent task support
+
+### Visual API Models
+- `moonshot-v1-8k-vision-preview`
+- `moonshot-v1-32k-vision-preview`  
+- `moonshot-v1-128k-vision-preview`
+- `kimi-k2.5` (latest, supports video)
+
+### Supported Formats
+**Images:** png, jpeg, webp, gif  
+**Video:** mp4, mpeg, mov, avi, x-flv, mpg, webm, wmv, 3gpp
+
+### Unique Visual Features
+1. **Visual Coding** - Kimi Code, Kimi Claw for coding with visual context
+2. **Video Understanding** - Analyzes video content (unique for multimodal models)
+3. **Real-time Visual Chat** - Interactive visual conversation
+
+## Kimi K2 Benchmarks (Coding/Agent)
+
+| Benchmark | Kimi K2 Score | Notes |
+|-----------|---------------|-------|
+| SWE-bench Verified (Single Attempt) | **65.8%** | Global SOTA for open-source |
+| SWE-bench Multilingual | 47.3% | Outperforms most proprietary |
+| LiveCodeBench v6 | 53.7% | Strong coding |
+| TerminalBench | 30.0% | Agentic tool use |
+| Aider-Polyglot | 60.0% | Code editing |
+| Tau2-Bench (avg) | ~64% | Tool use tasks |
+
+## Kimi Visual Strengths Summary
+
+✅ **Video understanding** (unique advantage)  
+✅ **Visual coding** capabilities  
+✅ **Image + Text multimodal**  
+✅ **Strong agentic tool use**  
+✅ **256K context** for large visual inputs  
+
+## Sources
+- https://platform.moonshot.cn/docs/guide/kimi-k2-5-quickstart
+- https://moonshotai.github.io/Kimi-K2/
+- https://platform.moonshot.cn/docs/guide/use-kimi-vision-model