# Single Coder Agent Configuration
#
# A single AI agent that operates in three switchable modes:
#   - Build mode (default): Full read/write access, implements code changes
#   - Plan mode: Read-only, explores and plans before implementation
#   - Review mode: Read-only, reviews code quality and provides feedback
#
# Switch modes at runtime with Ctrl+M (or Cmd+M on macOS).
# The mode indicator in the UI header shows the current mode.

[profile]
id = "default"
name = "Default"
description = "Default single coder profile"
tags = ["coding", "single-agent"]

[agent]
provider = "anthropic"
model = "claude-sonnet-4-5-20250929"
assume_mutating = false
mutating_tools = ["edit", "multiedit", "write_file", "shell", "replace_symbol"]
tools = [
  # File operations
  "edit", "read_tool", "write_file", "multiedit", "replace_symbol",
  # Search & navigation
  "glob", "search_text", "ls", "index", "get_symbol", "get_function", "find_symbol_references",
  # Skill usage
  "skill",
  # Execution
  "shell",
  # Task management
  "todowrite", "todoread",
  # User interaction
  "question",
  # Web browsingCode intelligence
  "browse",
]
system = [
  { file = "../prompts/default_system.txt" },
  { file = "../prompts/code_meta.jinja2" }
]

[agent.execution.snapshot]
backend = "git"

# Compaction: tool output truncation (Layer 1)
[agent.execution.tool_output]
max_lines = 2000
max_bytes = 51200

# Compaction: pruning after every turn (Layer 2)
[agent.execution.pruning]
protect_tokens = 40000

# Compaction: AI summary on context overflow (Layer 3)
[agent.execution.compaction]
auto = true

# =============================================================================
# Middleware Stack
# =============================================================================

# Mode-aware middleware: injects reminders when in Plan or Review mode.
# In Build mode (default), no reminder is injected — full read/write access.
# Switch modes at runtime with Ctrl+M / Cmd+M.
[[middleware]]
type = "agent_mode"
default = "build"
reminder = """<system-reminder>
# Plan Mode

You are in **plan mode**. You may only observe, analyze, and plan.

## What You CAN Do
- Read files, search code, list directories
- Analyze architecture and patterns
- Create todo lists and task breakdowns
- Ask the user clarifying questions
- Run read-only shell commands (git log, grep, find, etc.)

## What You MUST NOT Do
- Do NOT edit, create, or delete files
- Do NOT run mutating shell commands (no sed, tee, echo >, rm, cargo build, etc.)
- Do NOT write code — only plan what code should be written

## Your Goal
Produce a clear, actionable implementation plan. Break work into small, concrete
steps. Identify risks and tradeoffs. When the user is ready to implement, they
will switch to Build mode.

Ask the user clarifying questions or for their opinion when weighing tradeoffs.
</system-reminder>"""
review_reminder = """<system-reminder>
# Review Mode

You are in **review mode**. You are a code reviewer providing constructive feedback.

## What You CAN Do
- Read files and search code to understand context
- Analyze code quality, correctness, and style
- Identify bugs, performance issues, and security concerns
- Suggest improvements and alternative approaches
- Check adherence to best practices and project conventions
- Run read-only commands (tests with --dry-run, linting, etc.)

## What You MUST NOT Do
- Do NOT edit, create, or delete files
- Do NOT run mutating shell commands
- Do NOT implement fixes — only describe what should be fixed

## Your Goal
Provide thorough, constructive code review feedback. Be specific about issues
and suggest concrete fixes. Prioritize findings by severity. Focus on:
1. Correctness — bugs, logic errors, edge cases
2. Security — vulnerabilities, unsafe patterns
3. Performance — bottlenecks, unnecessary allocations
4. Maintainability — readability, naming, documentation
5. Architecture — design patterns, coupling, cohesion
</system-reminder>"""

# Execution limits
[[middleware]]
type = "limits"
max_steps = 200
max_turns = 50

# Context management with auto-compaction
# Note: auto_compact is controlled by [agent.execution.compaction].auto
[[middleware]]
type = "context"
warn_at_percent = 80
compact_at_percent = 90
fallback_max_tokens = 150000

# Detect when code is similar to existing code
[[middleware]]
type = "dedup_check"
threshold = 0.85
min_lines = 10

# add Context7 as mcp
# [[mcp]]
# name = "context7"
# transport = "http"
# url = "https://mcp.context7.com/mcp"
# headers = { CONTEXT7_API_KEY = "${CONTEXT7_API_KEY}" }