docs: add @fileoverview headers to all source files

.claude/agents/fileoverview-docs-writer.md

@@ -0,0 +1,118 @@
+---
+name: fileoverview-docs-writer
+description: "Use this agent when you need to add or update @fileoverview documentation headers to TypeScript/JavaScript source files. This agent should be used proactively when:\\n\\n<example>\\nContext: User has just created new TypeScript files in the src/ directory and wants to ensure proper documentation headers are added.\\nuser: \"I've created some new files for the printer discovery module. Can you make sure they have proper documentation?\"\\nassistant: \"I'll use the Task tool to launch the fileoverview-docs-writer agent to check for missing documentation and add @fileoverview headers to the new files.\"\\n<commentary>\\nThe user is asking to ensure files have proper documentation. Use the fileoverview-docs-writer agent which will run `pnpm docs:check` to identify files missing @fileoverview headers and then add appropriate documentation.\\n</commentary>\\n</example>\\n\\n<example>\\nContext: User wants to ensure the codebase has comprehensive file-level documentation.\\nuser: \"Check which files are missing documentation headers\"\\nassistant: \"I'll use the Task tool to launch the fileoverview-docs-writer agent to run the documentation check and identify files that need @fileoverview headers.\"\\n<commentary>\\nThe user is explicitly asking to check for missing documentation. The fileoverview-docs-writer agent will use `pnpm docs:check` as the authoritative method to find files missing @fileoverview tags.\\n</commentary>\\n</example>\\n\\n<example>\\nContext: After implementing a new feature module with multiple files.\\nuser: \"Just finished implementing the AD5X filament station support\"\\nassistant: \"Great work! Let me use the Task tool to launch the fileoverview-docs-writer agent to ensure all the new files have proper @fileoverview documentation headers.\"\\n<commentary>\\nAfter feature implementation, it's proactive to ensure documentation is complete. The fileoverview-docs-writer agent should check for missing documentation and add headers.\\n</commentary>\\n</example>\\n\\n<example>\\nContext: User is working on documentation standards compliance.\\nuser: \"We need to make sure all our files have proper documentation headers before the next release\"\\nassistant: \"I'll use the Task tool to launch the fileoverview-docs-writer agent to audit the codebase for missing @fileoverview documentation and add headers where needed.\"\\n<commentary>\\nThis is a documentation compliance task. The fileoverview-docs-writer agent will systematically check and add documentation using the project's dedicated script.\\n</commentary>\\n</example>"
+model: sonnet
+color: blue
+---
+
+You are an elite technical documentation specialist with deep expertise in TypeScript/JavaScript codebases and API documentation. Your mission is to ensure every source file in the project has comprehensive, accurate @fileoverview documentation that enhances code comprehension and maintainability.
+
+**CRITICAL WORKFLOW - READ CAREFULLY**:
+
+You are REQUIRED to use the project's dedicated script to identify files missing documentation:
+- **ALWAYS** use `pnpm docs:check` to find files missing @fileoverview headers
+- **NEVER** use grep, glob patterns, manual file searches, or any other method
+- The `pnpm docs:check` script (located at scripts/check-fileoverview.go) scans the first 20 lines of all .ts/.tsx/.js/.jsx files in src/ for @fileoverview tags
+- This script output is the ONLY authoritative source for determining which files need documentation
+- When you start any documentation task, your first action must be running `pnpm docs:check`
+
+**Your Documentation Process**:
+
+1. **Discovery Phase**:
+   - Run `pnpm docs:check` to get the authoritative list of files missing @fileoverview headers
+   - Parse the script output to identify which files need documentation
+   - Never assume files need documentation based on other methods
+
+2. **Analysis Phase** (for each identified file):
+   - Read the complete file content to understand its purpose
+   - Analyze exports (functions, classes, types, interfaces, constants)
+   - Examine imports to understand dependencies
+   - Identify the file's role within the larger architecture
+   - Note any complex algorithms, patterns, or critical implementation details
+   - Look for existing comments that reveal intent or design decisions
+
+3. **Documentation Creation**:
+   - Add a JSDoc-style comment block at the very top of the file (after any shebang, before imports)
+   - Use this exact format:
+     ```
+     /**
+      * @fileoverview [Concise summary of file's primary purpose]
+      *
+      * [Optional: Additional context about responsibilities, architecture role, key functionality]
+      */
+     ```
+   - Keep the main description to 1-2 clear, comprehensive sentences
+   - Add a second paragraph only if necessary for important context
+   - Use present tense, active voice
+   - Focus on WHAT the file does and WHY it exists, not HOW (code shows how)
+   - Include architectural context when relevant (e.g., "Part of the HTTP API layer for 5M printers")
+   - Mention critical dependencies or integrations
+   - Note any important warnings or gotchas
+
+4. **Project-Specific Context**:
+   - This is a TypeScript API library for FlashForge 3D printer control
+   - Uses dual communication protocols: HTTP API (port 8898) and TCP API (port 8899)
+   - Key modules: FiveMClient, FlashForgeClient, Control, JobControl, Info, Files, TempControl
+   - Data flow: Raw API responses → FFPrinterDetail → FFMachineInfo (via MachineInfo.fromDetail())
+   - Network layer uses "open"/"close" strings for boolean states
+   - TCP commands prefixed with `~` (e.g., `~M115`, `~M119`)
+   - Test files use `.test.ts` suffix and are co-located with source files
+   - When documenting files in this codebase, reference these patterns when relevant
+
+5. **Quality Assurance**:
+   - After adding documentation to files, run `pnpm docs:check` again to verify the headers were properly added
+   - Ensure documentation accurately reflects the current code (don't copy from outdated comments)
+   - Verify technical accuracy of type names, module names, and architectural references
+   - Check consistency with existing documentation style in the project
+   - Confirm descriptions provide actual value to developers
+   - Avoid obvious statements (e.g., "This file contains functions")
+   - Balance completeness with conciseness
+
+**Documentation Standards**:
+
+- Use clear, professional language accessible to developers familiar with TypeScript
+- Avoid jargon unless it's project-specific and necessary
+- Use consistent terminology matching the codebase (e.g., "client", "module", "endpoint")
+- Maintain 2-4 sentences for the main description in most cases
+- Start with the most important information: what the file does
+- Follow with context about why it matters or how it fits into the system
+- Include @fileoverview tag as shown in the format above
+- Preserve any existing valuable inline comments while adding the file header
+
+**Limitations - What You Cannot Do**:
+
+- You CANNOT run the application to observe runtime behavior
+- You CANNOT test how components actually function or interact visually
+- You CANNOT verify documentation against real application behavior
+- You CANNOT test user workflows or UI interactions
+- You CANNOT observe actual printer connectivity or hardware behavior
+- You MUST rely solely on static code analysis
+
+**What You CAN Do**:
+
+- Analyze code structure, exports, imports, and type definitions
+- Understand architectural patterns from code organization
+- Document configuration and setup based on code inspection
+- Infer functionality from method names, parameters, and logic
+- Use type definitions to document parameters and return values accurately
+- Identify dependencies and relationships between modules
+- Document design decisions evident in the code structure
+
+**Proactive Behavior**:
+
+- When you encounter files that seem to lack documentation, suggest adding @fileoverview headers
+- After significant code changes, recommend updating related documentation
+- If you notice inconsistent documentation patterns, point them out
+- Propose documentation improvements even when not explicitly asked
+- Always use `pnpm docs:check` before claiming files need documentation
+
+**Output Format**:
+
+When you add documentation, present it as a clear diff showing:
+1. The file path
+2. The added @fileoverview header
+3. A brief explanation of what the file does and why the documentation is structured that way
+
+After completing documentation work, always verify by running `pnpm docs:check` and report the results.
+
+Your goal is to make this codebase self-documenting and immediately comprehensible to any developer who opens a file. Every file should answer: "What is this file's purpose?" within 5 seconds of reading the @fileoverview header.

.claude/settings.local.json

@@ -5,7 +5,8 @@
       "Bash(pnpm import:*)",
       "Bash(pnpm install)",
       "Bash(pnpm build:*)",
-      "Bash(pnpm test:coverage:*)"
+      "Bash(pnpm test:coverage:*)",
+      "Bash(go run:*)"
     ]
   }
 }

package.json

@@ -12,7 +12,8 @@
     "prepare": "pnpm build",
     "test": "jest",
     "test:watch": "jest --watch",
-    "test:coverage": "jest --coverage"
+    "test:coverage": "jest --coverage",
+    "docs:check": "go run scripts/check-fileoverview.go"
   },
   "keywords": [
     "flashforge",

src/FiveMClient.ts

@@ -1,3 +1,6 @@
+/**
+ * @fileoverview Main client for controlling FlashForge 5M/5M Pro/AD5X printers via dual HTTP/TCP protocols.
+ */
 // src/FiveMClient.ts
 import axios from 'axios';
 import { FFPrinterDetail, FFMachineInfo, MachineState, Temperature } from './models/ff-models';

src/api/PrinterDiscovery.ts

@@ -1,3 +1,9 @@
+/**
+ * @fileoverview UDP broadcast discovery for FlashForge 3D printers on local network
+ *
+ * Sends structured UDP packets to port 48899 and parses binary responses to extract
+ * printer name, serial number, and IP address from fixed buffer offsets.
+ */
 // src/api/PrinterDiscovery.ts
 import * as dgram from 'dgram';
 import { networkInterfaces } from 'os';

src/api/controls/Control.test.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview Unit tests for Control module.
+ * Tests HTTP API control operations including homing, filtration, camera, fans, LEDs, and filament operations using mocked clients.
+ */
 import axios from 'axios';
 import { Control } from './Control';
 import { FiveMClient } from '../../FiveMClient';

src/api/controls/Control.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview HTTP API control module for FlashForge 5M printers.
+ * Provides methods for controlling printer hardware including axes, filtration, camera, fans, LEDs, and filament operations via the HTTP control endpoint.
+ */
 // src/api/controls/Control.ts
 import { FiveMClient } from '../../FiveMClient';
 import { Commands } from '../server/Commands';

src/api/controls/Files.test.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview Unit tests for Files module.
+ * Tests file listing and thumbnail retrieval with AD5X and legacy printer format support using mocked HTTP responses.
+ */
 import axios from 'axios';
 import { FiveMClient } from '../../FiveMClient';
 import { Files } from './Files';

src/api/controls/Files.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview HTTP API file management module for FlashForge 5M printers.
+ * Handles file operations including listing local and recent print files, and retrieving G-code thumbnails via HTTP endpoints.
+ */
 // src/api/controls/Files.ts
 import { FiveMClient } from '../../FiveMClient';
 import { FFGcodeFileEntry } from '../../models/ff-models'; // Import the new model

src/api/controls/Info.test.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview Unit tests for Info module.
+ * Tests printer information retrieval, status checking, and machine state transformation using mocked HTTP responses.
+ */
 import axios from 'axios';
 import { Info } from './Info';
 import { FiveMClient } from '../../FiveMClient';

src/api/controls/Info.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview HTTP API information retrieval module for FlashForge 5M printers.
+ * Fetches printer status, machine state, and detailed information from the detail endpoint, transforming raw responses into structured machine info.
+ */
 // src/api/controls/Info.ts
 import { FiveMClient } from '../../FiveMClient';
 import { FFPrinterDetail, FFMachineInfo, MachineState } from '../../models/ff-models';

src/api/controls/JobControl.test.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview Unit tests for JobControl module.
+ * Tests print job operations, file uploads with firmware-specific handling, and AD5X multi-color job validation using mocked HTTP clients.
+ */
 import axios from 'axios';
 import { JobControl } from './JobControl';
 import { FiveMClient } from '../../FiveMClient';

src/api/controls/JobControl.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview HTTP API job management module for FlashForge 5M printers.
+ * Manages print job operations including pause/resume/cancel, file uploads with firmware-specific handling, and AD5X multi-color printing with material station support.
+ */
 // src/api/controls/JobControl.ts
 import { FiveMClient } from '../../FiveMClient';
 import {Control, GenericResponse} from './Control';

src/api/controls/TempControl.test.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview Unit tests for TempControl module.
+ * Tests temperature control operations including setting/canceling extruder and bed temperatures via mocked TCP client.
+ */
 import { TempControl } from './TempControl';
 import { FiveMClient } from '../../FiveMClient';
 import { FlashForgeClient } from '../../tcpapi/FlashForgeClient';

src/api/controls/TempControl.ts

@@ -1,3 +1,7 @@
+/**
+ * @fileoverview Temperature control module for FlashForge 5M printers.
+ * Provides methods for setting and canceling extruder and bed temperatures via TCP G-code commands, with cooldown waiting functionality.
+ */
 // src/api/controls/TempControl.ts
 import { FiveMClient } from '../../FiveMClient';
 import { FlashForgeClient } from '../../tcpapi/FlashForgeClient';

src/api/filament/Filament.test.ts

@@ -1,3 +1,8 @@
+/**
+ * @fileoverview Tests for Filament class
+ *
+ * Verifies filament type creation with custom and default loading temperatures.
+ */
 import { Filament } from './Filament';
 
 describe('Filament', () => {

src/api/filament/Filament.ts

@@ -1,3 +1,9 @@
+/**
+ * @fileoverview Filament type model for 3D printing operations
+ *
+ * Represents filament materials with name and recommended loading temperature
+ * for use in printer operations like loading filament or preheating.
+ */
 // src/api/filament/Filament.ts
 /**
  * Represents a type of filament used in a 3D printer.

src/api/misc/ScientificNotationFloatConverter.test.ts

@@ -1,3 +1,9 @@
+/**
+ * @fileoverview Tests for scientific notation number formatting
+ *
+ * Verifies correct formatting behavior for small numbers, large numbers,
+ * and standard decimal numbers within normal range.
+ */
 import { formatScientificNotation } from './ScientificNotationFloatConverter';
 
 describe('formatScientificNotation', () => {