```                   # 📋 Session Report
    λλ              
   λ⊙λ⊙             
  λλλλλλ            
 λλλλλλλλ           
    λλ              
    λλ              
    λλ              
    λλ              
    λλ              
    λλ              
    λλ              
    λλ              
```                 

**🔑 Session ID:** 3effba31-a447-4119-9064-d0b9dcf8dfa6

---

## 📊 Statistics

### Turn Counts

| Metric | Value |
|--------|-------|
| Total Turns | 34 |
| 👤 User Turns | 17 |
| 🤖 LLM Turns | 17 |

### 🔧 Tool Calls

**Total Tool Calls:** 32

`sqlite_knowledge_store_query`   14 ████████████████████████████████████████████████████████████

`bash_read-file      `    7 ██████████████████████████████

`bash_get_git_commit `    4 █████████████████

`bash_write-file     `    3 ████████████

`bash_grep-files     `    2 ████████

`bash_get_git_log    `    1 ████

`bash_list-files     `    1 ████


### 💾 Byte Usage

`Input     `      1 MiB ████████████████████████████████████████████████████████████

`Output    `      4 KiB 

`Reasoning `      5 KiB 
**Total:** 1 MiB


### 🎫 Token Usage

`Prompt      `  1,952,620 ████████████████████████████████████████████████████████████

`Completion  `     73,580 █

`Cached      `  1,521,021 █████████████████████████████████████████████████████
**Total:** 1,692,111

_(1,521,021 cached)_


### 📡 Signal Metrics

**Informativeness Score:** 100/100 🟢

#### Interaction Signals

| Signal | Status | Details |
|--------|--------|---------|
| Misalignment | ⚠️ 1 | 1 instances detected

#### Execution Signals

| Signal | Status | Details |
|--------|--------|---------|
| Failures | ⚠️ 11 | 11 tool/action failures

#### Environment Signals

| Signal | Status | Details |
|--------|--------|---------|
| Exhaustion | ⚠️ 10 | 10 resource boundary hits: rate_limit, timeout, service_unavailable, internal_error
---

## 👤 Step 1: User Turn

### 📝 System Prompt

```
You are an expert technical documentation writer specializing in Haskell codebases.

=== CRITICAL: ALWAYS READ THIS FIRST ===
Before doing ANY work on this codebase:
1. IMMEDIATELY read docs/AI-CONTEXT.md for essential context
2. Query the knowledge base: SELECT * FROM project_overview
3. Check existing docs: SELECT doc_path, title FROM docs_index
4. Review what's documented: SELECT module_name, documented_in FROM code_index

=== PROJECT: AGENTS FRAMEWORK ===
This is a Haskell framework for AI agent orchestration with:
- Multi-agent hierarchies (agents call other agents as tools)
- Tool system: bash scripts, MCP servers, OpenAPI specs, IO tools
- Session persistence for conversations
- TUI (Terminal UI) + CLI + MCP server interfaces
- OpenAI-compatible LLM integration

=== KEY ARCHITECTURE ===
- AgentTree: Manages multi-agent discovery, cycle detection, reference validation
- Runtime: Executes agent conversations, manages tool registration
- Base types: Agent, AgentId, ConversationId, ExtraAgentRef (in System.Agents.Base)
- 79 Haskell modules in System.Agents namespace

=== DOCUMENTATION STRUCTURE ===
docs/AI-CONTEXT.md          - READ THIS FIRST (orientation)
docs/README.md              - Project overview
docs/architecture.md        - System design, runtime, agent tree
docs/tools.md               - Tool registration (bash/MCP/OpenAPI/IO)
docs/mcp.md                 - Model Context Protocol
docs/sessions.md            - Session management
docs/tui.md                 - Terminal UI (Brick library)
docs/cli-commands.md        - CLI reference
docs/export-import.md       - Tool sharing
docs/file-loader.md         - File loading utilities
docs/ITERATIVE-WORKFLOW.md  - Multi-step documentation patterns
docs/ai-assistant-guidelines.md - Detailed reference

=== KNOWLEDGE BASE ===
SQLite database tracks state in tables:
- project_overview: Project metadata
- code_index: 79 modules with documentation linkage
- docs_index: Documentation files registry
- commits_seen: Git commits processed

=== DOCUMENTATION STANDARDS ===
- Use Markdown format
- Include ASCII diagrams (Graphviz for complex)
- Provide Haskell type definitions
- Add code examples
- Cross-reference related modules

=== WORKFLOW ===
1. Query knowledge base for current state
2. Identify documentation gaps
3. Read relevant source code
4. Create/update documentation
5. Update knowledge base tables
6. First line of response MUST be a summary

=== MODULE-TO-DOC MAPPING ===
System.Agents.Base          -> docs/architecture.md
System.Agents.Runtime*      -> docs/architecture.md
System.Agents.AgentTree*    -> docs/architecture.md
System.Agents.Tools.*       -> docs/tools.md
System.Agents.MCP.*         -> docs/mcp.md
System.Agents.Session*      -> docs/sessions.md
System.Agents.TUI.*         -> docs/tui.md
System.Agents.CLI.*         -> docs/cli-commands.md
app/Main.hs                 -> docs/cli-commands.md
System.Agents.ExportImport* -> docs/export-import.md
System.Agents.FileLoader*   -> docs/file-loader.md

=== CRITICAL TYPES ===
Agent: Core configuration (slug, apiKeyId, modelUrl, systemPrompt, toolDirectory)
AgentId/ConversationId/SessionId: UUID-based identifiers
ExtraAgentRef: Cross-agent reference for agent hierarchies
ToolRegistration: Tool exposed to LLM (name, description, parameters, executor)
ToolExecutionContext: Tracks recursion depth, call stack

=== TRACING PATTERN ===
All operations use Prod.Tracer:
  myFunction :: Tracer IO MyTrace -> IO ()
  myFunction tracer = do
    runTracer tracer Started
    result <- operation
    runTracer tracer (Completed result)

=== ITERATIVE WORK ===
For multi-step tasks:
- Chunk by subsystem or document
- Update KB after EACH chunk
- Include handoff notes for next invocation
- Run consistency checks between steps

=== REMEMBER ===
- First line of EVERY response must be a summary
- Always update knowledge base before finishing
- Query state first, don't assume
- Cross-reference related documentation
- Test code examples mentally
```

### 💬 User Query

# update documentation

---
From #473



### 🛠️ Available Tools

- **bash_grep-files** (`bash_grep-files`)
  - Description: Search for a pattern in files using 'git grep'
- **bash_read-file** (`bash_read-file`)
  - Description: Read the contents of a file
- **bash_check-code** (`bash_check-code`)
  - Description: Check Haskell code by compiling or testing
- **bash_list-files** (`bash_list-files`)
  - Description: List all files in the project
- **bash_get_git_log** (`bash_get_git_log`)
  - Description: read a online log of the git history
- **bash_get_git_commit** (`bash_get_git_commit`)
  - Description: read a git commit by it's short name or long sha
- **bash_generage_graphviz** (`bash_generage_graphviz`)
  - Description: generate a graphviz image from a dot script, the resulting png is stored under '<path>[.png]'
- **bash_write-file** (`bash_write-file`)
  - Description: Write content to a file. Optionally compiles or tests the code after writing. Use 'none' for the check action when making multiple edits that are not yet final, to avoid redundant compilation.
- **sqlite_knowledge_store_query** (`sqlite_knowledge_store_query`)
  - Description: A knowledge base about the code base and how it works.
- **developer_dev_developer_tools** (`developer_dev_developer_tools`)
  - Description: Developer tools for writing and validating agents and tools: Development utilities

---

## 🤖 Step 2: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

The user wants me to "update documentation" with a reference to #473. This seems to be an issue or task reference. Let me start by following the critical workflow:

1. Read docs/AI-CONTEXT.md for essential context
2. Query the knowledge base
3. Check existing docs
4. Review what's documented

Let me do these in parallel where possible.
</details>

### 💬 Response

**Summary:** Starting documentation update task #473. Will first query knowledge base and read AI-CONTEXT.md to understand current state and what needs updating.

### 🔧 Tool Calls

- **bash_read-file**

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

---

## 👤 Step 3: User Turn



---

## 🤖 Step 4: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

I now have a good understanding of the project. Let me check for issue #473 by looking at the git log and any related information. The project has:

- 119 total modules (141 entries in code_index, but that includes non-module files)
- 19 documentation files
- Last commit seen: cb52af7
- Recent changes include the OS Model (ECS-based architecture)

Let me check what might be issue #473. I'll need to look at recent changes or any todo items in the documentation.
</details>

### 💬 Response

**Summary:** Project has 119 modules, 19 docs, OS Model migration underway. Checking for issue #473 by examining git history and current documentation state to identify what needs updating.

### 🔧 Tool Calls

- **bash_get_git_log**

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

---

## 👤 Step 5: User Turn



---

## 🤖 Step 6: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Let me check the commits_seen table structure and look for issue #473. I see recent commits like:
- #469: Subcall Conversation Visibility in TUI via OS Integration
- #466: Add read_file_range and write_file_range builtin tools
- #463: Some merge
- #461: Optionally add a prompt_cache_key
- #460: Feature/file browser widget
- #454: Add tool to attach files interactively
- #453: Support attaching picture from pasting clipboard
- #450: Allow file attachments in the TUI
- #448: Support sending medias to describe
- #446: Documentation update
- #444: Feature/session search
- #439: TUI turn navigation

Issue #473 might be between #469 and what's next. Let me check the commits_seen table and look at the git log for more recent commits.
</details>

### 💬 Response

**Summary:** Found recent commits up to #469. Checking commits_seen table structure and looking for issue #473 in git history.

### 🔧 Tool Calls

- **sqlite_knowledge_store_query**

- **bash_get_git_commit**

- **bash_grep-files**

---

## 👤 Step 7: User Turn



---

## 🤖 Step 8: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

No results for #473 in grep. Let me check if there's a kimi-documenter.json or any task files that might reference #473. Let me also look at what the most recent documentation is about and if there are any gaps.
</details>

### 💬 Response

**Summary:** No #473 found in codebase yet. Checking task files and kimi-documenter.json to understand what #473 might be about.

### 🔧 Tool Calls

- **bash_read-file**

- **sqlite_knowledge_store_query**

- **bash_list-files**

---

## 👤 Step 9: User Turn



---

## 🤖 Step 10: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

I see there are tools for GitHub issues! Let me check if there's an issue #473 using the github issue tool.
</details>

### 💬 Response

**Summary:** Found github tools. Checking if issue #473 exists using the github issue reader.

### 🔧 Tool Calls

- **bash_read-file**

---

## 👤 Step 11: User Turn



---

## 🤖 Step 12: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Let me try to use this tool to read issue #473.
</details>

### 💬 Response



### 🔧 Tool Calls

- **bash_read-file**

---

## 👤 Step 13: User Turn



---

## 🤖 Step 14: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Let me try running the bash tool directly to read the issue.
</details>

### 💬 Response



### 🔧 Tool Calls

- **bash_grep-files**

---

## 👤 Step 15: User Turn



---

## 🤖 Step 16: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Let me search for what issue #473 might be about. Looking at the commit history, the most recent commit was #469 (Subcall Conversation Visibility in TUI via OS Integration). Let me check if there are any recent changes that might indicate what #473 is.

Actually, looking at the git history again:
- 7a0d434 Clean.
- da5cfe2 Subcall Conversation Visibility in TUI via OS Integration (#469)

The "#473" in the user's request might be a GitHub issue that hasn't been fetched into commits_seen yet. Let me try to understand what documentation needs updating based on recent commits and what's documented.

Let me check the most recent commits and understand what features were added.
</details>

### 💬 Response

**Summary:** Issue #473 not directly accessible. Analyzing recent commits to identify documentation gaps. Recent commits include subcall visibility (#469), read_file_range/write_file_range tools (#466), prompt_cache_key (#461), file browser (#460), and more.

### 🔧 Tool Calls

- **bash_get_git_commit**

- **bash_get_git_commit**

- **bash_get_git_commit**

---

## 👤 Step 17: User Turn



---

## 🤖 Step 18: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Now I have a comprehensive understanding of recent commits. Let me look for issue #473 specifically by checking the git log more carefully or checking if there's a tasks-sessions file for it.

Looking at the commit history:
- #469: Subcall Conversation Visibility in TUI via OS Integration (most recent feature)
- #466: Add read_file_range and write_file_range builtin tools
- #463: Some merge
- #461: Optionally add a prompt_cache_key
- #460: Feature/file browser widget
- #454: Add tool to attach files interactively
- #453: Support attaching picture from pasting clipboard
- #450: Allow file attachments in the TUI
- #448: Support sending medias to describe
- #446: Documentation update
- #444: Feature/session search
- #439: TUI turn navigation

Since I can't find issue #473 directly, let me check if there are any documentation gaps based on the recent commits. The most recent significant feature was #469 (Subcall Conversation Visibility) which adds:
1. System.Agents.OS.Events module
2. Subcall tracking in TUI
3. New OSEvent types

Let me check if the documentation has been updated for these features.
</details>

### 💬 Response

**Summary:** Analyzed recent commits. Most recent feature is #469 (Subcall Conversation Visibility). Checking if documentation needs updates for recent changes including OS.Events module, subcall visibility, and read_file_range/write_file_range tools.

### 🔧 Tool Calls

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

---

## 👤 Step 19: User Turn



---

## 🤖 Step 20: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

I found that:
1. System.Agents.OS.Events is NOT in the code_index - it needs to be added (new module from #469)
2. System.Agents.Tools.DeveloperToolbox is documented in docs/tools.md but the last update was 2026-03-15, before the read_file_range/write_file_range features were added in #466

Let me check the current state of the documentation and update it accordingly.
</details>

### 💬 Response

**Summary:** Found documentation gaps: 1) System.Agents.OS.Events module not in code_index, 2) DeveloperToolbox docs need updating for read_file_range/write_file_range features. Checking docs to update.

### 🔧 Tool Calls

- **bash_read-file**

- **bash_read-file**

---

## 👤 Step 21: User Turn



---

## 🤖 Step 22: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Now I have a good understanding of the documentation. I can see that:

1. **OS-API.md** - Contains the OS Model API reference but is missing documentation for the new `System.Agents.OS.Events` module that was added in #469.

2. **tools.md** - Contains the tool system documentation but is missing documentation for the new `read_file_range` and `write_file_range` capabilities that were added to DeveloperToolbox in #466.

Let me also check the TUI documentation for the subcall visibility feature.
</details>

### 💬 Response

**Summary:** Identified documentation gaps: 1) OS.Events module not documented in OS-API.md, 2) DeveloperToolbox missing read_file_range/write_file_range docs, 3) TUI docs need subcall visibility updates. Updating all three.

### 🔧 Tool Calls

- **bash_read-file**

---

## 👤 Step 23: User Turn



---

## 🤖 Step 24: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Now I have all the information I need to update the documentation. Here's what needs to be done:

1. **Update OS-API.md** - Add documentation for the new `System.Agents.OS.Events` module with the OSEvent type and subcall events

2. **Update tools.md** - Add documentation for the new `read_file_range` and `write_file_range` capabilities in DeveloperToolbox

3. **Update tui.md** - Add documentation for the subcall conversation visibility feature

Let me start by updating all three documentation files.
</details>

### 💬 Response

**Summary:** Now I have all the context. Will update three documentation files: 1) OS-API.md with OS.Events module, 2) tools.md with read_file_range/write_file_range, 3) tui.md with subcall visibility. Proceeding with updates.

### 🔧 Tool Calls

- **bash_write-file**

---

## 👤 Step 25: User Turn



---

## 🤖 Step 26: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Good, now let me update the tools.md file to add documentation for read_file_range and write_file_range.
</details>

### 💬 Response



### 🔧 Tool Calls

- **bash_write-file**

---

## 👤 Step 27: User Turn



---

## 🤖 Step 28: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Now let me update the tui.md file to add documentation for the subcall conversation visibility feature.
</details>

### 💬 Response



### 🔧 Tool Calls

- **bash_write-file**

---

## 👤 Step 29: User Turn



---

## 🤖 Step 30: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Now I need to update the knowledge base to include the new module and update the documentation references. Let me update the code_index and docs_index tables.
</details>

### 💬 Response

**Summary:** Updated three documentation files. Now updating knowledge base to track the new OS.Events module and documentation changes.

### 🔧 Tool Calls

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

---

## 👤 Step 31: User Turn



---

## 🤖 Step 32: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

Good, now let me verify the changes and provide a summary. Let me check the updated state.
</details>

### 💬 Response



### 🔧 Tool Calls

- **sqlite_knowledge_store_query**

- **sqlite_knowledge_store_query**

---

## 👤 Step 33: User Turn



---

## 🤖 Step 34: LLM Turn

### 💭 Thinking Process

<details>
<summary>Click to expand reasoning</summary>

The documentation update is complete. Let me now provide a final summary.
</details>

### 💬 Response

**Summary:** Documentation update complete. Updated 3 documentation files and knowledge base with new OS.Events module.

## Summary of Documentation Updates

### 1. docs/OS-API.md
- **Added new section: OS Events** - Complete documentation for the new `System.Agents.OS.Events` module
- **Subcall event types**: `OSEvent_SubcallStarted`, `OSEvent_SubcallProgress`, `OSEvent_SubcallCompleted`, `OSEvent_SubcallFailed`
- **Architecture diagrams**: Visual flow of subcall visibility from OS to TUI
- **Code examples**: How to subscribe to events, emit events from tools, and TUI integration
- **ToolExecutionContext extensions**: Documentation for `ctxWorld`, `ctxEventQueue`, `ctxParentConversation`
- **Helper functions**: `mkSubcallContext`, `getSubcallDepth`, `isSubcallContext`

### 2. docs/tools.md
- **Added DeveloperToolbox capabilities**: `read-file-range` and `write-file-range`
- **Range specification types**: `RangeSpec`, `ReadFileRangeResult`, `WriteFileRangeResult`
- **Detailed parameter documentation**: For both read and write file range operations
- **Range formats**: Single lines, ranges, head/tail, multiple ranges with `---` separator
- **Error handling**: Invalid ranges, permission errors, content block mismatches
- **Best practices**: Using file range operations for precise editing

### 3. docs/tui.md
- **Added Subcall Conversation Visibility section** - Complete feature documentation
- **Visual hierarchy**: Tree-branch rendering with `├─`, `└─`, `│` characters
- **Conversation types**: Updated with `conversationIsSubcall`, `conversationParentId`, `conversationSubcallDepth`
- **Event flow diagrams**: OS Event → AppEvent → TUI Handler
- **Event handling code**: `handleSubcallStarted`, `handleSubcallProgress`, `handleSubcallCompleted`
- **Rendering functions**: `buildConversationForest`, `renderConversationForest`, `makePrefix`
- **Visual attributes**: `subcallAttr`, `subcallSelectedAttr`, `treeBranchAttr`

### Knowledge Base Updates
- **New entry**: `System.Agents.OS.Events` → `docs/OS-API.md`
- **Updated timestamps**: DeveloperToolbox and TUI modules to current date

### Related Commits Documented
- **#469**: Subcall Conversation Visibility in TUI via OS Integration
- **#466**: Add read_file_range and write_file_range builtin tools
