feat: implement blog project with CI pipeline

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+<!-- Brief description of changes -->
+
+## Type of Change
+<!-- Mark with [x] -->
+- [ ] 🚀 Feature (`feat`)
+- [ ] 🐛 Bug Fix (`fix`)
+- [ ] 📝 Documentation (`docs`)
+- [ ] ♻️ Refactor (`refactor`)
+- [ ] 🎨 Code Style (`style`)
+- [ ] ✅ Tests (`test`)
+- [ ] 🔧 Chore (`chore`)
+
+## Checklist
+- [ ] Code follows project style guidelines (ruff, isort)
+- [ ] Tests added/updated (if applicable)
+- [ ] Documentation updated (if applicable)
+- [ ] Commit message follows convention (`type: description`)
+- [ ] Branch rebased to single commit before merge
+- [ ] No cache files in commit (`__pycache__`, `*.pyc`)
+
+## Testing
+<!-- Describe how changes were tested -->
+
+## Related Issues
+<!-- Link to issues if applicable -->
+Fixes #
+
+## Screenshots (if applicable)
+<!-- Add screenshots for UI changes -->

.gitignore

@@ -0,0 +1,52 @@
+# MkDocs output
+site/
+
+# Python cache (ignore all)
+__pycache__/
+*.py[cod]
+*$py.class
+*.pyc
+*.pyo
+
+# opencode skills (agent-only)
+.opencode/
+AGENTS.md
+.github/PULL_REQUEST_TEMPLATE.md
+
+# Scripts (except hooks)
+scripts/*
+!scripts/commit-msg
+!scripts/post-commit
+!scripts/update_readme.py
+!scripts/clean_cache.sh
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
+.tox/
+
+# mypy
+.mypy_cache/
+
+# ruff
+.ruff_cache/
+
+# Environment
+.env
+.env.example
+.venv/
+venv/
+
+# uv cache
+.uv/
+
+# Scripts cache
+scripts/__pycache__/
+

.woodpecker/deploy.yaml

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+when:
+  event: [push]
+  branch: main
+
+steps:
+  deploy:
+    image: python:3.13
+    commands:
+      - echo "🚀 Deploying to production..."
+      - echo "Branch: main"
+      - echo "Commit: $(git rev-parse --short HEAD)"
+      # Add your deployment commands here
+      # Example:
+      # - uv sync --frozen
+      # - uv run python -m app.main &
+      - echo "✅ Deployment complete"
+    when:
+      status: [success]

.woodpecker/git-check.yaml

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+when:
+  event: [push, pull_request]
+
+steps:
+  check-branch:
+    image: alpine/git
+    commands:
+      - BRANCH=$(git rev-parse --abbrev-ref HEAD)
+      - |
+        echo "Branch: $BRANCH"
+        if [ "$BRANCH" = "main" ]; then
+          echo "✓ Production branch (protected)"
+        elif [ "$BRANCH" = "dev" ]; then
+          echo "✓ Development branch (protected)"
+        elif echo "$BRANCH" | grep -qE "^feature/"; then
+          echo "✓ Feature branch"
+        elif echo "$BRANCH" | grep -qE "^(fix|hotfix|release)/"; then
+          echo "✓ Special branch"
+        else
+          echo "⚠️  Unusual branch name: $BRANCH"
+          echo "   Recommended: feature/<description>, fix/<description>"
+        fi
+
+  check-commit-message:
+    image: alpine/git
+    commands:
+      - MSG=$(git log -1 --pretty=%s)
+      - |
+        echo "Last commit: $MSG"
+        if echo "$MSG" | grep -qE "^(feat|fix|docs|style|refactor|test|chore): [a-z]"; then
+          echo "✓ Commit message follows convention"
+        else
+          echo "❌ Invalid commit message format"
+          echo "   Expected: <type>: <description>"
+          echo "   Types: feat, fix, docs, style, refactor, test, chore"
+          exit 1
+        fi
+
+  check-cache-files:
+    image: python:3.13
+    commands:
+      - |
+        CACHE_FILES=$(git diff --name-only HEAD~1 | grep -E "__pycache__|\.pyc$" || true)
+        if [ -n "$CACHE_FILES" ]; then
+          echo "❌ Cache files in commit:"
+          echo "$CACHE_FILES"
+          exit 1
+        fi
+      - echo "✓ No cache files in commit"

app/__init__.py

@@ -0,0 +1 @@
+"""Application package."""

app/api/__init__.py

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+"""API module - HTTP routes and endpoints."""

app/api/v1/__init__.py

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+"""API version 1 endpoints."""

app/common/__init__.py

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+"""Common utilities and shared components."""

app/common/error_handler.py

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+from datetime import datetime
+
+from fastapi import FastAPI, Request
+from fastapi.responses import JSONResponse
+from pydantic import BaseModel
+from starlette.exceptions import HTTPException
+
+from app.core.exceptions import AppException
+
+
+class ErrorResponse(BaseModel):
+    status_code: int
+    message: str
+    details: dict | None = None
+    timestamp: str
+
+
+async def app_exception_handler(request: Request, exc: AppException) -> JSONResponse:
+    return JSONResponse(
+        status_code=exc.status_code,
+        content={
+            "status_code": exc.status_code,
+            "message": exc.message,
+            "timestamp": datetime.utcnow().isoformat(),
+        },
+    )
+
+
+async def http_exception_handler(request: Request, exc: HTTPException) -> JSONResponse:
+    return JSONResponse(
+        status_code=exc.status_code,
+        content={
+            "status_code": exc.status_code,
+            "message": str(exc.detail),
+            "timestamp": datetime.utcnow().isoformat(),
+        },
+    )
+
+
+def register_exception_handlers(app: FastAPI):
+    app.add_exception_handler(
+        AppException,
+        app_exception_handler,  # type: ignore[arg-type]
+    )
+    app.add_exception_handler(
+        HTTPException,
+        http_exception_handler,  # type: ignore[arg-type]
+    )

app/core/__init__.py

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+"""Core module - shared functionality and configuration."""

app/core/config.py

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+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    app_name: str = "Blog API"
+    debug: bool = False
+    host: str = "0.0.0.0"
+    port: int = 8000
+
+    database_url: str | None = None
+
+    model_config = SettingsConfigDict(env_file=".env")
+
+
+settings = Settings()

app/core/exceptions.py

@@ -0,0 +1,25 @@
+class AppException(Exception):
+    def __init__(self, message: str, status_code: int = 500):
+        self.message = message
+        self.status_code = status_code
+        super().__init__(self.message)
+
+
+class NotFoundError(AppException):
+    def __init__(self, message: str = "Resource not found"):
+        super().__init__(message, status_code=404)
+
+
+class ValidationError(AppException):
+    def __init__(self, message: str = "Validation failed"):
+        super().__init__(message, status_code=400)
+
+
+class UnauthorizedError(AppException):
+    def __init__(self, message: str = "Unauthorized"):
+        super().__init__(message, status_code=401)
+
+
+class ForbiddenError(AppException):
+    def __init__(self, message: str = "Forbidden"):
+        super().__init__(message, status_code=403)

app/modules/__init__.py

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+"""Feature modules - business logic organized by domain."""

docs/api/endpoints.md

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+# API Endpoints
+
+## Overview
+
+| Method | Endpoint | Description |
+|--------|----------|-------------|
+| GET | `/` | Health check |
+
+## Health Check
+
+```http
+GET /
+```
+
+**Response:** `200 OK`
+
+Returns application status.

docs/api/index.md

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+# API Reference
+
+This section contains auto-generated API documentation from source code docstrings.
+
+## Modules
+
+::: app.main
+    handler: python
+    options:
+      members:
+        - lifespan
+        - app_factory
+        - main

docs/development/codestyle.md

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+# Code Style
+
+## Linting & Formatting
+
+```bash
+# Run all linters
+uv run ruff check . --fix
+uv run ruff format .
+uv run isort . --profile black --filter-files
+
+# Type checking
+uv run mypy .
+```
+
+## Documentation
+
+```bash
+# Check docstring style
+uv run pydocstyle app/
+
+# Check documentation coverage
+uv run interrogate app/ -v
+
+# Build documentation
+uv run mkdocs build
+
+# Serve documentation locally
+uv run mkdocs serve
+```
+
+## Pre-commit Hooks
+
+This project uses pre-commit hooks to ensure code quality:
+
+- ruff check
+- ruff format
+- isort
+- mypy
+
+Install hooks:
+```bash
+uv run pre-commit install
+```

docs/development/setup.md

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+# Setup Guide
+
+## Prerequisites
+
+- Python 3.13+
+- uv package manager
+
+## Installation
+
+```bash
+# Clone repository
+git clone https://github.com/pyaqa/blog.git
+cd blog
+
+# Install dependencies
+uv sync
+
+# Run tests
+uv run pytest
+
+# Start development server
+uv run python -m app.main
+```
+
+## Development Server
+
+The server runs on `http://0.0.0.0:8000` by default.
+
+Access interactive API docs at:
+- Swagger UI: `http://localhost:8000/docs`
+- ReDoc: `http://localhost:8000/redoc`

docs/index.md

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+# Blog API
+
+Welcome to the Blog API documentation.
+
+## Features
+
+- FastAPI-based REST API
+- Python 3.13+
+- Async support
+- Type hints throughout
+
+## Quick Start
+
+```bash
+# Install dependencies
+uv sync
+
+# Run development server
+uv run python -m app.main
+```
+
+## API Endpoints
+
+See [API Reference](api/endpoints.md) for detailed endpoint documentation.
+
+## Development
+
+See [Development Guide](development/setup.md) for setup instructions.

mkdocs.yml

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+site_name: Blog API Documentation
+site_description: FastAPI Blog Application Documentation
+site_author: Blog Team
+repo_url: https://github.com/pyaqa/blog
+
+theme:
+  name: mkdocs
+  palette:
+    - scheme: default
+      primary: indigo
+      accent: indigo
+      toggle:
+        icon: material/brightness-7
+        name: Switch to dark mode
+    - scheme: slate
+      primary: indigo
+      accent: indigo
+      toggle:
+        icon: material/brightness-4
+        name: Switch to light mode
+
+plugins:
+  - search
+  - mkdocstrings:
+      handlers:
+        python:
+          options:
+            docstring_style: google
+            show_root_heading: true
+            show_source: true
+            show_bases: true
+
+markdown_extensions:
+  - pymdownx.highlight:
+      anchor_linenums: true
+  - pymdownx.inlinehilite
+  - pymdownx.snippets
+  - pymdownx.superfences
+  - admonition
+  - pymdownx.details
+  - tables
+
+nav:
+  - Home: index.md
+  - API Reference:
+      - Overview: api/index.md
+      - Endpoints: api/endpoints.md
+  - Development:
+      - Setup: development/setup.md
+      - Code Style: development/codestyle.md

scripts/README.md

@@ -0,0 +1,65 @@
+# Development Scripts
+
+## clean_cache.sh
+
+Clean all Python cache files:
+
+```bash
+bash scripts/clean_cache.sh
+```
+
+Removes:
+- `__pycache__/` directories
+- `*.pyc`, `*.pyo` files
+- `.pytest_cache/`
+- `.mypy_cache/`
+- `.ruff_cache/`
+- `.coverage`
+- `htmlcov/`
+
+## update_readme.py
+
+Update README.md with latest project information:
+
+```bash
+uv run python scripts/update_readme.py
+```
+
+Check if update needed (for CI):
+
+```bash
+uv run python scripts/update_readme.py --check
+```
+
+## post-commit
+
+Git hook for auto-updating README after commits.
+
+Install:
+
+```bash
+cp scripts/post-commit .git/hooks/post-commit
+chmod +x .git/hooks/post-commit
+```
+
+## Disable Python Cache During Development
+
+Set environment variables before running Python:
+
+```bash
+# Option 1: Export variables
+export PYTHONDONTWRITEBYTECODE=1
+export UV_NO_CACHE=1
+
+# Option 2: Use with command
+PYTHONDONTWRITEBYTECODE=1 uv run python -m app.main
+
+# Option 3: Add to .env (not committed)
+echo "PYTHONDONTWRITEBYTECODE=1" >> .env
+```
+
+Or use the clean script periodically:
+
+```bash
+bash scripts/clean_cache.sh
+```

scripts/clean_cache.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -e
+
+echo "Cleaning Python cache files..."
+
+find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
+
+find . -type f -name "*.pyc" -delete 2>/dev/null || true
+
+find . -type f -name "*.pyo" -delete 2>/dev/null || true
+
+rm -rf .pytest_cache/ 2>/dev/null || true
+
+rm -rf .mypy_cache/ 2>/dev/null || true
+
+rm -rf .ruff_cache/ 2>/dev/null || true
+
+rm -f .coverage 2>/dev/null || true
+rm -rf htmlcov/ 2>/dev/null || true
+
+echo "✓ Cache cleaned"

scripts/commit-msg

@@ -0,0 +1,64 @@
+#!/bin/bash
+
+set -e
+
+COMMIT_MSG_FILE="$1"
+if [ -z "$COMMIT_MSG_FILE" ]; then
+    echo "Checking for cache files in staged changes..."
+    
+    CACHE_FILES=$(git diff --cached --name-only | grep -E "__pycache__|\.pyc$|\.pyo$" || true)
+    
+    if [ -n "$CACHE_FILES" ]; then
+        echo "❌ Attempting to commit Python cache files!"
+        echo ""
+        echo "Files:"
+        echo "$CACHE_FILES"
+        echo ""
+        echo "Run: bash scripts/clean_cache.sh"
+        echo "Or: git reset HEAD <files>"
+        exit 1
+    fi
+    
+    echo "✓ No cache files in staged changes"
+    exit 0
+fi
+
+COMMIT_MSG=$(cat "$COMMIT_MSG_FILE")
+
+if ! echo "$COMMIT_MSG" | grep -qE "^(feat|fix|docs|style|refactor|test|chore): [a-z].{0,49}$"; then
+    echo "❌ Invalid commit message format!"
+    echo ""
+    echo "Current message: $COMMIT_MSG"
+    echo ""
+    echo "Expected format: <type>: <short description>"
+    echo ""
+    echo "Types:"
+    echo "  feat     - New feature"
+    echo "  fix      - Bug fix"
+    echo "  docs     - Documentation"
+    echo "  style    - Code style"
+    echo "  refactor - Refactoring"
+    echo "  test     - Tests"
+    echo "  chore    - Maintenance"
+    echo ""
+    echo "Rules:"
+    echo "  - Max 50 characters"
+    echo "  - Lowercase after type"
+    echo "  - Imperative mood (add, not added)"
+    echo "  - No period at end"
+    echo ""
+    echo "Good examples:"
+    echo "  feat: add user authentication"
+    echo "  fix: resolve database timeout"
+    echo "  docs: update API docs"
+    echo ""
+    exit 1
+fi
+
+if echo "$COMMIT_MSG" | grep -qE "\.$"; then
+    echo "❌ Commit message should not end with a period"
+    exit 1
+fi
+
+echo "✓ Commit message valid: $COMMIT_MSG"
+exit 0

scripts/post-commit

@@ -0,0 +1,18 @@
+#!/bin/bash
+# Post-commit hook: Update README.md automatically
+
+set -e
+
+echo "Updating README.md..."
+
+# Run README update script
+uv run python scripts/update_readme.py
+
+# Check if README changed
+if ! git diff --quiet README.md; then
+    echo "✓ README.md was updated"
+    echo "  Review changes and commit if needed:"
+    echo "  git add README.md && git commit -m 'docs: update README [skip ci]'"
+else
+    echo "✓ README.md is up to date"
+fi

scripts/update_readme.py

@@ -0,0 +1,358 @@
+#!/usr/bin/env python3
+
+import re
+import subprocess
+import tomllib
+from datetime import datetime
+from pathlib import Path
+from typing import Any
+
+
+def get_project_root() -> Path:
+    return Path(__file__).parent.parent
+
+
+def get_pyproject() -> dict[str, Any]:
+    root = get_project_root()
+    with open(root / "pyproject.toml", "rb") as f:
+        return tomllib.load(f)
+
+
+def get_latest_commits(count: int = 10) -> list[dict[str, str]]:
+    result = subprocess.run(
+        ["git", "log", "--format=%H|%s|%ad|%an", "--date=short", f"-n{count}"],
+        capture_output=True,
+        text=True,
+        cwd=get_project_root(),
+    )
+
+    commits = []
+    for line in result.stdout.strip().split("\n"):
+        if line:
+            parts = line.split("|")
+            if len(parts) >= 4:
+                commits.append(
+                    {
+                        "hash": parts[0][:7],
+                        "message": parts[1],
+                        "date": parts[2],
+                        "author": parts[3],
+                    }
+                )
+    return commits
+
+
+def get_last_tag() -> str | None:
+    result = subprocess.run(
+        ["git", "describe", "--tags", "--abbrev=0"],
+        capture_output=True,
+        text=True,
+        cwd=get_project_root(),
+    )
+    return result.stdout.strip() if result.returncode == 0 else None
+
+
+def get_ignored_files() -> set[str]:
+    gitignore_path = get_project_root() / ".gitignore"
+    ignored = set()
+    if gitignore_path.exists():
+        for line in gitignore_path.read_text().splitlines():
+            line = line.strip()
+            if line and not line.startswith("#"):
+                ignored.add(line.rstrip("/"))
+    return ignored
+
+
+def commit_has_tracked_changes(commit_hash: str) -> bool:
+    result = subprocess.run(
+        ["git", "diff-tree", "--no-commit-id", "--name-only", "-r", commit_hash],
+        capture_output=True,
+        text=True,
+        cwd=get_project_root(),
+    )
+    if not result.stdout.strip():
+        return False
+
+    ignored = get_ignored_files()
+    for file_path in result.stdout.strip().split("\n"):
+        if not file_path:
+            continue
+        parts = file_path.split("/")
+        is_ignored = False
+        for i in range(len(parts)):
+            path_part = "/".join(parts[: i + 1])
+            for pattern in ignored:
+                if pattern.endswith("*"):
+                    if path_part.startswith(pattern[:-1]):
+                        is_ignored = True
+                        break
+                elif path_part == pattern or parts[-1] == pattern:
+                    is_ignored = True
+                    break
+            if is_ignored:
+                break
+        if not is_ignored:
+            return True
+    return False
+
+
+def commit_has_skip_ci_message(commit_hash: str) -> bool:
+    result = subprocess.run(
+        ["git", "log", "-1", "--format=%s", commit_hash],
+        capture_output=True,
+        text=True,
+        cwd=get_project_root(),
+    )
+    msg = result.stdout.strip().lower()
+    return "[skip ci]" in msg or "[skip-ci]" in msg or "[ci skip]" in msg
+
+
+def commit_only_changes_readme(commit_hash: str) -> bool:
+    result = subprocess.run(
+        ["git", "diff-tree", "--no-commit-id", "--name-only", "-r", commit_hash],
+        capture_output=True,
+        text=True,
+        cwd=get_project_root(),
+    )
+    files = [f.strip() for f in result.stdout.strip().split("\n") if f.strip()]
+    return files == ["README.md"]
+
+
+def get_commits_since_tag(tag: str | None) -> list[dict[str, str]]:
+    if tag:
+        result = subprocess.run(
+            ["git", "log", "--format=%H|%s|%ad|%an", "--date=short", f"{tag}..HEAD"],
+            capture_output=True,
+            text=True,
+            cwd=get_project_root(),
+        )
+    else:
+        result = subprocess.run(
+            ["git", "log", "--format=%H|%s|%ad|%an", "--date=short", "-n10"],
+            capture_output=True,
+            text=True,
+            cwd=get_project_root(),
+        )
+
+    commits = []
+    for line in result.stdout.strip().split("\n"):
+        if line:
+            parts = line.split("|")
+            if len(parts) >= 4:
+                commit_hash = parts[0]
+                if commit_has_skip_ci_message(commit_hash):
+                    continue
+                if commit_only_changes_readme(commit_hash):
+                    continue
+                if not commit_has_tracked_changes(commit_hash):
+                    continue
+                commits.append(
+                    {
+                        "hash": commit_hash[:7],
+                        "message": parts[1],
+                        "date": parts[2],
+                        "author": parts[3],
+                    }
+                )
+    return commits
+
+
+def categorize_commits(commits: list[dict[str, str]]) -> dict[str, list[str]]:
+    categories: dict[str, list[str]] = {
+        "Added": [],
+        "Changed": [],
+        "Fixed": [],
+        "Removed": [],
+        "Other": [],
+    }
+
+    for commit in commits:
+        msg = commit["message"].lower()
+        entry = f"- {commit['message']} ({commit['hash']})"
+
+        if msg.startswith("feat") or "add" in msg:
+            categories["Added"].append(entry)
+        elif msg.startswith("fix") or "fix" in msg:
+            categories["Fixed"].append(entry)
+        elif msg.startswith("change") or "update" in msg:
+            categories["Changed"].append(entry)
+        elif msg.startswith("remove") or "delete" in msg:
+            categories["Removed"].append(entry)
+        else:
+            categories["Other"].append(entry)
+
+    return categories
+
+
+def format_changelog(commits: list[dict[str, str]], version: str = "v0.1.0") -> str:
+    categorized = categorize_commits(commits)
+    today = datetime.now().strftime("%Y-%m-%d")
+
+    lines = [f"### [{version}] - {today}"]
+
+    for section, entries in categorized.items():
+        if entries:
+            lines.append(f"\n#### {section}")
+            lines.extend(entries)
+
+    return "\n".join(lines)
+
+
+def get_dependencies(pyproject: dict[str, Any]) -> dict[str, list[str]]:
+    deps: dict[str, list[str]] = {
+        "runtime": [],
+        "tests": [],
+        "lints": [],
+        "types": [],
+        "docs": [],
+    }
+
+    for dep in pyproject.get("project", {}).get("dependencies", []):
+        deps["runtime"].append(dep)
+
+    dep_groups = pyproject.get("dependency-groups", {})
+
+    if "tests" in dep_groups:
+        for dep in dep_groups["tests"]:
+            if isinstance(dep, str):
+                deps["tests"].append(dep)
+
+    if "lints" in dep_groups:
+        for dep in dep_groups["lints"]:
+            if isinstance(dep, str):
+                deps["lints"].append(dep)
+
+    if "types" in dep_groups:
+        for dep in dep_groups["types"]:
+            if isinstance(dep, str):
+                deps["types"].append(dep)
+
+    if "docs" in dep_groups:
+        for dep in dep_groups["docs"]:
+            if isinstance(dep, str):
+                deps["docs"].append(dep)
+
+    return deps
+
+
+def get_available_commands() -> list[dict[str, str]]:
+    commands = [
+        {"cmd": "uv sync", "desc": "Install dependencies"},
+        {"cmd": "uv run python -m app.main", "desc": "Start development server"},
+        {
+            "cmd": "uv run pytest --cov=app --cov-fail-under=70",
+            "desc": "Run tests with coverage",
+        },
+        {"cmd": "uv run ruff check . --fix", "desc": "Run linters"},
+        {"cmd": "uv run ruff format .", "desc": "Format code"},
+        {
+            "cmd": "uv run isort . --profile black --filter-files",
+            "desc": "Sort imports",
+        },
+        {"cmd": "uv run mypy .", "desc": "Type checking"},
+        {"cmd": "uv run mkdocs build", "desc": "Build documentation"},
+        {"cmd": "uv run mkdocs serve", "desc": "Serve documentation locally"},
+    ]
+    return commands
+
+
+def update_dependencies_section(content: str, deps: dict[str, list[str]]) -> str:
+    section_pattern = r"(## Dependencies\n.*?)(\n## |\Z)"
+
+    deps_text = "## Dependencies\n\n"
+
+    if deps["runtime"]:
+        deps_text += "### Runtime\n"
+        for dep in sorted(deps["runtime"]):
+            deps_text += f"- {dep}\n"
+        deps_text += "\n"
+
+    if deps["tests"]:
+        deps_text += "### Development\n"
+        deps_text += "- **Tests**: " + ", ".join(sorted(deps["tests"])) + "\n"
+    if deps["lints"]:
+        deps_text += "- **Lint**: " + ", ".join(sorted(deps["lints"])) + "\n"
+    if deps["types"]:
+        deps_text += "- **Types**: " + ", ".join(sorted(deps["types"])) + "\n"
+    if deps["docs"]:
+        deps_text += "- **Docs**: " + ", ".join(sorted(deps["docs"])) + "\n"
+
+    deps_text += "\n"
+
+    replacement = f"{deps_text}\\2"
+    return re.sub(section_pattern, replacement, content, flags=re.DOTALL)
+
+
+def update_commands_section(content: str, commands: list[dict[str, str]]) -> str:
+    section_pattern = r"(## Available Commands\n.*?\|.*?\n\|---\|.*?\n)(.*?)(\n## |\Z)"
+
+    commands_table = "| Command | Description |\n|---------|-------------|\n"
+    for cmd in commands:
+        commands_table += f"| `{cmd['cmd']}` | {cmd['desc']} |\n"
+
+    commands_table += "\n"
+
+    replacement = f"\\1{commands_table}\\3"
+    return re.sub(section_pattern, replacement, content, flags=re.DOTALL)
+
+
+def update_changelog_section(content: str, changelog: str) -> str:
+    section_pattern = r"(## Changelog\n)(.*?)(\Z)"
+
+    replacement = f"\\1\n{changelog}\n\\3"
+    return re.sub(section_pattern, replacement, content, flags=re.DOTALL)
+
+
+def update_readme(check_only: bool = False) -> bool:
+    readme_path = get_project_root() / "README.md"
+
+    if not readme_path.exists():
+        print("README.md not found")
+        return False
+
+    content = readme_path.read_text()
+    original_content = content
+
+    pyproject = get_pyproject()
+    commits = get_commits_since_tag(get_last_tag())
+    deps = get_dependencies(pyproject)
+    commands = get_available_commands()
+
+    version = get_last_tag() or "v0.1.0"
+    changelog = format_changelog(commits, version)
+
+    content = update_changelog_section(content, changelog)
+    content = update_dependencies_section(content, deps)
+    content = update_commands_section(content, commands)
+
+    if check_only:
+        needs_update = content != original_content
+        if needs_update:
+            print("README.md needs update")
+        else:
+            print("README.md is up to date")
+        return needs_update
+
+    if content != original_content:
+        readme_path.write_text(content)
+        print("README.md updated successfully")
+        return True
+    else:
+        print("No changes needed")
+        return False
+
+
+def main():
+    import sys
+
+    check_only = "--check" in sys.argv
+
+    updated = update_readme(check_only=check_only)
+
+    if check_only and updated:
+        sys.exit(1)
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()

tests/api/conftest.py

@@ -0,0 +1,22 @@
+# API test fixtures
+# Provides: httpx.AsyncClient, authentication helpers, test API data
+
+import pytest
+from httpx import ASGITransport, AsyncClient
+
+
+@pytest.fixture
+async def client():
+    """Create async HTTP client for API testing."""
+    from app.main import app_factory
+
+    app = app_factory()
+    transport = ASGITransport(app=app)
+    async with AsyncClient(transport=transport, base_url="http://test") as ac:
+        yield ac
+
+
+@pytest.fixture
+def auth_headers():
+    """Return mock authentication headers."""
+    return {"Authorization": "Bearer test_token"}

tests/conftest.py

@@ -0,0 +1,8 @@
+import pytest
+
+
+@pytest.fixture(scope="session")
+def event_loop_policy():
+    import asyncio
+
+    return asyncio.DefaultEventLoopPolicy()

tests/e2e/conftest.py

@@ -0,0 +1,27 @@
+# E2E test fixtures
+# Provides: full application state, end-to-end workflows, cleanup
+
+import pytest
+
+
+@pytest.fixture
+async def e2e_app():
+    """Create full application instance for E2E testing."""
+    from app.main import app_factory
+
+    app = app_factory()
+    yield app
+    # Cleanup after E2E test
+
+
+@pytest.fixture
+def e2e_user_data():
+    """Generate realistic user data for E2E scenarios."""
+    from mimesis import Person
+
+    person = Person()
+    return {
+        "username": person.username(),
+        "email": person.email(),
+        "password": "SecurePass123!",
+    }

tests/integration/conftest.py

@@ -0,0 +1,18 @@
+# Integration test fixtures
+# Provides: test database, external service connections
+
+import pytest
+
+
+@pytest.fixture
+def test_db_connection():
+    """Create test database connection."""
+    # TODO: Implement when DB is added to project
+    yield "test_db"
+
+
+@pytest.fixture
+def cleanup_db():
+    """Cleanup database after test."""
+    yield
+    # TODO: Implement cleanup logic

tests/unit/conftest.py

@@ -0,0 +1,18 @@
+# Unit test fixtures
+# Provides: mocks, stubs, isolated test data
+
+from unittest.mock import AsyncMock, Mock
+
+import pytest
+
+
+@pytest.fixture
+def mock_service():
+    """Create a mock service for unit testing."""
+    return Mock()
+
+
+@pytest.fixture
+def mock_async_service():
+    """Create an async mock service for unit testing."""
+    return AsyncMock()

tests/unit/test_unit_app_run.py

@@ -0,0 +1,33 @@
+from contextlib import asynccontextmanager
+from unittest.mock import patch
+
+import pytest
+from fastapi import FastAPI
+
+from app.main import app_factory, lifespan, main
+
+
+@pytest.mark.asyncio
+async def test_lifespan():
+    app = FastAPI()
+    assert isinstance(lifespan, asynccontextmanager(lifespan).__class__)
+
+    async with lifespan(app):
+        pass
+
+
+def test_app_factory():
+    app = app_factory()
+    assert isinstance(app, FastAPI)
+    assert app.router.lifespan_context == lifespan
+
+
+@patch("app.main.uvicorn.run")
+def test_main(mock_uvicorn_run):
+    main()
+    mock_uvicorn_run.assert_called_once_with(
+        app_factory,
+        factory=True,
+        host="0.0.0.0",
+        port=8000,
+    )