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nordabiz/docs/architecture/MAINTENANCE.md
Maciej Pienczyn fa4fb92390 docs: Add complete architecture documentation with C4 diagrams 
- System Context diagram (C4 Level 1)
- Container diagram (C4 Level 2)
- Flask component diagram (C4 Level 3)
- Deployment architecture with NPM proxy
- Database schema (PostgreSQL)
- External integrations (Gemini AI, Brave Search, PageSpeed)
- Network topology (INPI infrastructure)
- Security architecture
- API endpoints reference
- Troubleshooting guide
- Data flow diagrams (auth, search, AI chat, SEO audit, news monitoring)

All diagrams use Mermaid.js and render automatically on GitHub.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 12:40:52 +01:00

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# Architecture Documentation Maintenance Guide
**Version:** 1.0
**Last Updated:** 2026-01-10
**Status:** Active
---
## Table of Contents
1. [Overview](#overview)
2. [When to Update Documentation](#when-to-update-documentation)
3. [Update Triggers & Document Matrix](#update-triggers--document-matrix)
4. [Maintenance Procedures](#maintenance-procedures)
5. [Review Schedule](#review-schedule)
6. [Verification Checklist](#verification-checklist)
7. [Common Change Scenarios](#common-change-scenarios)
8. [Tools & Automation](#tools--automation)
9. [Responsibilities](#responsibilities)
10. [Emergency Updates](#emergency-updates)
---
## Overview
### Purpose
This guide ensures the architecture documentation in `docs/architecture/` remains accurate, complete, and useful as the Norda Biznes platform evolves.
### Documentation Coverage
Current architecture documentation set:
| Document | File | Size | Topics |
|----------|------|------|--------|
| **Architecture Overview** | README.md | 26KB | Master index, quick starts, FAQ |
| **System Context** | 01-system-context.md | 14KB | C4 Level 1, external actors |
| **Container Diagram** | 02-container-diagram.md | 29KB | C4 Level 2, major containers |
| **Deployment** | 03-deployment-architecture.md | 68KB | Infrastructure, servers, ports |
| **Flask Components** | 04-flask-components.md | 47KB | Routes, services, models |
| **Database Schema** | 05-database-schema.md | 38KB | ERD, 36 tables, relationships |
| **External APIs** | 06-external-integrations.md | 30KB | 6 APIs, 2 scrapers |
| **Network Topology** | 07-network-topology.md | 34KB | Network zones, routing |
| **Critical Config** | 08-critical-configurations.md | 34KB | NPM, SSL, systemd, secrets |
| **Security** | 09-security-architecture.md | 65KB | RBAC, threat model, controls |
| **API Endpoints** | 10-api-endpoints.md | 60KB | 90+ routes reference |
| **Troubleshooting** | 11-troubleshooting-guide.md | 59KB | Operations guide |
**Data Flow Documentation:**
| Document | File | Topics |
|----------|------|--------|
| **Authentication Flow** | flows/01-authentication-flow.md | Login, sessions, passwords |
| **Search Flow** | flows/02-search-flow.md | Company search, FTS, fuzzy |
| **AI Chat Flow** | flows/03-ai-chat-flow.md | Gemini integration, costs |
| **SEO Audit Flow** | flows/04-seo-audit-flow.md | PageSpeed API, scoring |
| **News Monitoring Flow** | flows/05-news-monitoring-flow.md | Brave API, moderation |
| **HTTP Request Flow** | flows/06-http-request-flow.md | NPM → Flask → PostgreSQL |
---
## When to Update Documentation
### Critical Update Triggers (Update Within 24 Hours)
**MUST update immediately when:**
- ❗ **Infrastructure changes** (IP addresses, ports, server names)
- ❗ **Security configuration changes** (authentication, authorization, RBAC)
- ❗ **Critical configuration changes** (NPM proxy settings, database connections)
- ❗ **Production incidents** (add to troubleshooting guide)
- ❗ **New external API integrations** (Gemini, Brave, etc.)
- ❗ **Database schema migrations** (new tables, columns, relationships)
### High Priority Updates (Update Within 1 Week)
**SHOULD update promptly when:**
- 🔶 **New major features** (authentication, search, AI chat equivalent)
- 🔶 **Significant route additions** (5+ new endpoints)
- 🔶 **New background jobs or scripts**
- 🔶 **Technology stack changes** (Flask upgrade, PostgreSQL version)
- 🔶 **Deployment process changes** (systemd, Gunicorn config)
### Standard Updates (Update Within 1 Month)
**Update during normal cycle when:**
- 🔹 **Minor feature additions** (1-4 new routes)
- 🔹 **Database model additions** (new fields, indexes)
- 🔹 **Bug fixes affecting documented flows**
- 🔹 **Performance optimizations**
- 🔹 **Code refactoring affecting architecture**
### Low Priority Updates (Quarterly Review)
**Can be batched for quarterly updates:**
- 📘 **Documentation improvements** (typos, clarifications)
- 📘 **Example updates** (better code samples)
- 📘 **FAQ additions**
- 📘 **Metrics updates** (company counts, performance stats)
---
## Update Triggers & Document Matrix
Use this matrix to identify which documents need updating for different types of changes:
| Change Type | Documents to Update | Priority |
|-------------|-------------------|----------|
| **New HTTP Route** | 04-flask-components.md, 10-api-endpoints.md | High |
| **New Database Table** | 05-database-schema.md, 04-flask-components.md | Critical |
| **New External API** | 06-external-integrations.md, 01-system-context.md, 02-container-diagram.md | Critical |
| **Infrastructure Change** | 03-deployment-architecture.md, 07-network-topology.md, 08-critical-configurations.md | Critical |
| **NPM Configuration** | 08-critical-configurations.md, 07-network-topology.md, flows/06-http-request-flow.md | Critical |
| **Authentication Change** | 09-security-architecture.md, flows/01-authentication-flow.md, 04-flask-components.md | Critical |
| **New Data Flow** | Create new flow doc in flows/, update README.md | High |
| **Port Mapping Change** | 03-deployment-architecture.md, 07-network-topology.md, 08-critical-configurations.md | Critical |
| **Security Issue/Fix** | 09-security-architecture.md, 11-troubleshooting-guide.md | Critical |
| **New Service Layer** | 04-flask-components.md, 02-container-diagram.md | High |
| **Database Migration** | 05-database-schema.md | Critical |
| **SSL/TLS Change** | 08-critical-configurations.md, 07-network-topology.md | Critical |
| **Rate Limit Change** | 10-api-endpoints.md, 06-external-integrations.md | High |
| **Performance Fix** | 11-troubleshooting-guide.md, relevant flow doc | Standard |
| **Bug Fix** | 11-troubleshooting-guide.md (if recurring) | Standard |
---
## Maintenance Procedures
### Standard Documentation Update Workflow
```bash
# 1. Create a feature branch
git checkout -b docs/update-architecture-[topic]
# 2. Make documentation changes
# - Update affected .md files
# - Update Mermaid diagrams if needed
# - Update version/date in document header
# 3. Verify diagrams render correctly
python3 verify_diagrams.py
# 4. Cross-check against code
python3 verify_architecture_accuracy.py
# 5. Update the master README if needed
# - Update file sizes: ls -lh docs/architecture/*.md
# - Update stats if significant changes
# 6. Commit with clear message
git add docs/architecture/
git commit -m "docs: update [document] for [change]"
# 7. Create pull request
git push origin docs/update-architecture-[topic]
# 8. Review and merge
# - Verify diagrams in GitHub preview
# - Check for broken links
# - Merge to master
```
### Updating Mermaid Diagrams
**Best Practices:**
1. **Test locally first** - Use VS Code with Mermaid extension
2. **Keep it simple** - Prefer clarity over complexity
3. **Use consistent styling** - Follow existing color schemes
4. **Add comments** - Explain complex diagram logic
5. **Validate syntax** - Run `verify_diagrams.py` before committing
**Common Diagram Updates:**
```markdown
# Adding a new component to container diagram
# 1. Add to the diagram block
Container(new_component, "Component Name", "Technology", "Description")
# 2. Add relationships
Rel(flask_app, new_component, "Uses", "Protocol")
# 3. Update the legend if needed
# 4. Rebuild the diagram and verify rendering
```
### Updating Data Flow Diagrams
**When to create a NEW flow document:**
- New major user journey (authentication-level complexity)
- New external API integration workflow
- New background job with multiple steps
- Complex multi-system interaction
**Template for new flow document:**
```markdown
# [Feature Name] Data Flow
**Document Status:** Draft/Active
**Last Updated:** YYYY-MM-DD
## Overview
Brief description of the data flow
## Mermaid Diagram
```mermaid
sequenceDiagram
participant User
participant System
User->>System: Request
System-->>User: Response
```
## Step-by-Step Flow
1. User initiates...
2. System processes...
## Database Operations
Tables affected, queries used
## Error Handling
Common errors and recovery
## Performance Considerations
Typical latency, bottlenecks
## Related Documentation
Links to relevant docs
```
---
## Review Schedule
### Monthly Review (1st of each month)
**Owner:** Tech Lead
**Tasks:**
- [ ] Review CHANGELOG for architecture-impacting changes
- [ ] Check for undocumented infrastructure changes
- [ ] Review GitHub issues for documentation gaps
- [ ] Update metrics in README.md (company count, route count)
- [ ] Run `verify_diagrams.py` to check diagram integrity
**Time Required:** ~30 minutes
### Quarterly Deep Review (January, April, July, October)
**Owner:** Development Team
**Tasks:**
- [ ] Full read-through of all architecture documents
- [ ] Cross-check against current codebase (`verify_architecture_accuracy.py`)
- [ ] Update all statistics and metrics
- [ ] Review and update troubleshooting guide with new issues
- [ ] Validate all external links
- [ ] Update technology versions (Flask, PostgreSQL, etc.)
- [ ] Review and update FAQ section
- [ ] Check for obsolete content
- [ ] Update maintenance checklist if needed
**Time Required:** ~2-3 hours
### Annual Comprehensive Audit (January)
**Owner:** CTO / Architecture Team
**Tasks:**
- [ ] Full architecture review session
- [ ] Validate all diagrams against production infrastructure
- [ ] Update all document versions
- [ ] Review and update security documentation
- [ ] Assess documentation completeness
- [ ] Plan documentation improvements for the year
- [ ] Update this maintenance guide
**Time Required:** ~1 day
---
## Verification Checklist
### Pre-Commit Verification
Before committing architecture documentation changes:
- [ ] All Mermaid diagrams render correctly in VS Code
- [ ] No syntax errors in Mermaid diagrams (`verify_diagrams.py`)
- [ ] File sizes updated in README.md if changed significantly
- [ ] Links to other documents work correctly
- [ ] Code examples are tested and accurate
- [ ] Date and version updated in document header
- [ ] Spelling and grammar checked
- [ ] No sensitive information (passwords, real API keys) included
### Post-Merge Verification
After merging documentation changes:
- [ ] Diagrams render correctly on GitHub
- [ ] Links work in GitHub web interface
- [ ] Table of contents is accurate
- [ ] Document appears in master README.md navigation
- [ ] Related documents are cross-linked
- [ ] CLAUDE.md references updated if needed
### Quarterly Audit Checklist
Every 3 months, verify:
- [ ] **Code Accuracy** - Run `verify_architecture_accuracy.py`
- [ ] **Infrastructure Accuracy** - Check IPs, ports, server names
- [ ] **API Accuracy** - Verify external API endpoints, rate limits
- [ ] **Database Accuracy** - Compare documented vs actual schema
- [ ] **Route Accuracy** - Compare documented vs actual endpoints
- [ ] **Configuration Accuracy** - Check NPM, systemd, Gunicorn configs
- [ ] **Statistics Current** - Update company counts, performance metrics
- [ ] **Diagrams Render** - Run `verify_diagrams.py`
- [ ] **Links Valid** - Check all internal and external links
- [ ] **Examples Work** - Test all code examples and commands
---
## Common Change Scenarios
### Scenario 1: Adding a New HTTP Route
**Example:** Adding `/api/companies/export-csv` endpoint
**Documents to Update:**
1. **04-flask-components.md**
- Add route to "HTTP Routes" section
- Add to route count
- Add to component interaction diagram if complex
2. **10-api-endpoints.md**
- Add full endpoint documentation
- Include request/response examples
- Document authentication/authorization requirements
- Add to table of contents
**Checklist:**
- [ ] Document route method (GET/POST/etc)
- [ ] Document authentication required (public/authenticated/admin)
- [ ] Document request parameters
- [ ] Document response format
- [ ] Add example cURL command
- [ ] Document rate limiting
- [ ] Add to route count in README.md
**Estimated Time:** 15-20 minutes
---
### Scenario 2: Adding a New Database Table
**Example:** Adding `company_certifications` table
**Documents to Update:**
1. **05-database-schema.md**
- Add table to ERD diagram
- Add to entity list
- Document all fields
- Document relationships
- Add indexes and constraints
- Update table count
2. **04-flask-components.md**
- Add SQLAlchemy model to models section
- Update model count
- Add to component diagram if needed
**Checklist:**
- [ ] Add table to Mermaid ERD diagram
- [ ] Document all columns with types
- [ ] Document foreign key relationships
- [ ] Document unique constraints
- [ ] Document indexes
- [ ] Document cascade behaviors
- [ ] Add SQLAlchemy model documentation
- [ ] Update table/model counts in README.md
**Estimated Time:** 30-40 minutes
---
### Scenario 3: Adding a New External API Integration
**Example:** Integrating OpenAI API for embeddings
**Documents to Update:**
1. **06-external-integrations.md**
- Add new API section with full documentation
- Add to integration count
- Add to Mermaid diagram
2. **01-system-context.md**
- Add external system to C4 diagram
- Document interaction
3. **02-container-diagram.md**
- Add API integration to container diagram
- Document data flows
4. **04-flask-components.md**
- Add service layer component if created
**Checklist:**
- [ ] Document API purpose and use cases
- [ ] Document authentication method
- [ ] Document rate limits and quotas
- [ ] Document pricing/cost model
- [ ] Add environment variables
- [ ] Document error handling
- [ ] Add example API calls
- [ ] Update integration count
- [ ] Add to all relevant Mermaid diagrams
**Estimated Time:** 1-2 hours
---
### Scenario 4: Infrastructure Change (IP/Port/Server)
**Example:** Moving PostgreSQL to new server with IP 10.22.68.251
**Documents to Update:**
1. **03-deployment-architecture.md**
- Update server details
- Update IP addresses
- Update Mermaid infrastructure diagram
2. **07-network-topology.md**
- Update network topology diagram
- Update IP addressing scheme
- Update routing information
3. **08-critical-configurations.md**
- Update database connection strings
- Update firewall rules
- Update monitoring configurations
4. **flows/06-http-request-flow.md**
- Update flow diagram if affected
**Checklist:**
- [ ] Update all IP addresses
- [ ] Update all port mappings
- [ ] Update infrastructure diagrams
- [ ] Update connection string examples
- [ ] Update firewall rule documentation
- [ ] Update troubleshooting commands
- [ ] Verify all diagrams render correctly
- [ ] Test all example commands
**Estimated Time:** 1-1.5 hours
---
### Scenario 5: Security Configuration Change
**Example:** Implementing OAuth 2.0 for API authentication
**Documents to Update:**
1. **09-security-architecture.md**
- Update authentication architecture
- Update access control matrix
- Add OAuth flow diagrams
2. **flows/01-authentication-flow.md**
- Add OAuth flow documentation
- Update sequence diagrams
3. **10-api-endpoints.md**
- Update authentication documentation
- Add OAuth examples
4. **04-flask-components.md**
- Document authentication middleware changes
**Checklist:**
- [ ] Document security architecture changes
- [ ] Update authentication flows
- [ ] Add OAuth sequence diagrams
- [ ] Document token handling
- [ ] Update access control matrix
- [ ] Document security testing procedures
- [ ] Review threat model impact
- [ ] Update security best practices
**Estimated Time:** 2-3 hours
---
### Scenario 6: Production Incident
**Example:** ERR_TOO_MANY_REDIRECTS incident (2026-01-02)
**Documents to Update:**
1. **11-troubleshooting-guide.md**
- Add incident to relevant section
- Document symptoms
- Document root cause
- Document solution
- Add diagnostic commands
2. **08-critical-configurations.md**
- Add warning if configuration-related
- Document correct configuration
3. **Relevant flow document**
- Add error scenario if flow-related
- Document recovery procedure
**Checklist:**
- [ ] Document incident symptoms
- [ ] Document root cause analysis
- [ ] Document step-by-step solution
- [ ] Add diagnostic commands
- [ ] Add prevention measures
- [ ] Add to FAQ if common issue
- [ ] Link to incident report if exists
- [ ] Update critical warnings
**Estimated Time:** 30-45 minutes
---
## Tools & Automation
### Verification Scripts
**Location:** `docs/architecture/` (if needed, create in project root)
#### verify_diagrams.py
**Purpose:** Validates all Mermaid diagrams for syntax errors
**Usage:**
```bash
python3 verify_diagrams.py
```
**Output:**
- List of all diagrams found
- Syntax errors (if any)
- Warnings about diagram complexity
- Overall validation status
**When to Run:**
- Before committing diagram changes
- Monthly review
- After bulk documentation updates
---
#### verify_architecture_accuracy.py
**Purpose:** Cross-checks documentation against actual codebase
**Usage:**
```bash
python3 verify_architecture_accuracy.py
```
**Checks:**
- Database models vs documented tables
- HTTP routes vs documented endpoints
- External APIs vs documented integrations
- Infrastructure components vs documented servers
- Configuration files vs documented settings
**When to Run:**
- Quarterly deep review
- Before major releases
- After significant code changes
---
### Recommended VS Code Extensions
Install these extensions for better documentation editing:
1. **Markdown All in One** (yzhang.markdown-all-in-one)
- Table of contents generation
- Markdown formatting
2. **Mermaid Preview** (bierner.markdown-mermaid)
- Live diagram preview
- Syntax highlighting
3. **markdownlint** (DavidAnson.vscode-markdownlint)
- Markdown style checking
- Consistency enforcement
4. **Code Spell Checker** (streetsidesoftware.code-spell-checker)
- Catches typos
- Technical dictionary support
---
### Automation Opportunities
**Future Enhancements:**
1. **GitHub Actions Workflow**
- Auto-run `verify_diagrams.py` on PR
- Auto-update file sizes in README
- Auto-generate route list from Flask app
2. **Pre-commit Hook**
- Validate Mermaid syntax
- Check for sensitive data
- Update last-modified dates
3. **Monthly Report**
- Auto-generate documentation health report
- List outdated documents (>6 months since update)
- Identify missing documentation areas
4. **Diagram Auto-Generation**
- Generate database ERD from SQLAlchemy models
- Generate route list from Flask decorators
- Generate API docs from route signatures
---
## Responsibilities
### Documentation Ownership
| Document | Primary Owner | Update Trigger |
|----------|---------------|----------------|
| README.md | Tech Lead | New docs, major changes |
| 01-system-context.md | Architect | New external systems |
| 02-container-diagram.md | Architect | Major architecture changes |
| 03-deployment-architecture.md | DevOps Lead | Infrastructure changes |
| 04-flask-components.md | Backend Lead | New routes, services |
| 05-database-schema.md | Database Lead | Schema migrations |
| 06-external-integrations.md | Integration Lead | New APIs |
| 07-network-topology.md | Network Admin | Network/routing changes |
| 08-critical-configurations.md | DevOps Lead | Config changes |
| 09-security-architecture.md | Security Lead | Security changes |
| 10-api-endpoints.md | Backend Lead | New/changed endpoints |
| 11-troubleshooting-guide.md | Operations Team | Incidents, common issues |
| flows/*.md | Feature Owner | Flow-related changes |
### Team Responsibilities
**All Developers:**
- Update documentation when making code changes
- Follow update triggers matrix
- Run verification scripts before committing
- Report documentation gaps
**Tech Lead:**
- Monthly review coordination
- Approve documentation PRs
- Maintain README.md master document
- Track documentation health metrics
**DevOps Team:**
- Maintain infrastructure documentation
- Update after infrastructure changes
- Maintain troubleshooting guide
- Verify production accuracy
**Security Team:**
- Maintain security documentation
- Review security-related changes
- Conduct security documentation audits
- Update threat model
---
## Emergency Updates
### Critical Production Issues
**When:** Production outage or security incident
**Procedure:**
1. **Resolve the incident first** - Documentation is secondary to recovery
2. **Document immediately after resolution** - While details are fresh
3. **Update within 24 hours:**
- Add to troubleshooting guide
- Update relevant architecture docs
- Create incident report if needed
4. **Review in next team meeting:**
- Lessons learned
- Prevention measures
- Documentation improvements
**Priority:** Critical (update within 24 hours)
---
### Urgent Configuration Changes
**When:** Emergency configuration change in production
**Procedure:**
1. **Make the change** - Production stability first
2. **Document the change immediately:**
- Update critical-configurations.md
- Add comment in relevant config files
- Update deployment docs if needed
3. **Notify team:**
- Send email/Slack with change details
- Link to updated documentation
- Schedule review if significant
4. **Follow up:**
- Update related documents within 48 hours
- Add to next monthly review agenda
**Priority:** Critical (update within 24-48 hours)
---
## Documentation Health Metrics
### Key Metrics to Track
Track these monthly to assess documentation health:
| Metric | Target | How to Measure |
|--------|--------|----------------|
| **Documentation Coverage** | >95% | % of code features documented |
| **Diagram Accuracy** | 100% | `verify_diagrams.py` pass rate |
| **Code-Doc Alignment** | >95% | `verify_architecture_accuracy.py` |
| **Update Frequency** | <3 months | Average days since last update |
| **Documentation Gaps** | <5 | Count of undocumented features |
| **Broken Links** | 0 | Link checker results |
| **Outdated Stats** | 0 | Count of incorrect metrics |
### Monthly Health Report Template
```markdown
# Architecture Documentation Health Report
**Month:** January 2026
**Reporting Period:** 2025-12-01 to 2026-01-01
## Metrics
- Documentation Coverage: 96% (✓ Target: >95%)
- Diagram Accuracy: 100% (✓ All diagrams render)
- Code-Doc Alignment: 94% (⚠ Target: >95%)
- Average Update Age: 2.1 months (✓ Target: <3 months)
- Documentation Gaps: 3 (✓ Target: <5)
- Broken Links: 0 (✓ Target: 0)
- Outdated Stats: 1 (⚠ Company count in README)
## Issues Identified
1. Database schema doc missing 3 new models added in December
2. Company count in README.md outdated (78 vs 80)
## Actions Taken
1. Updated database schema documentation
2. Updated README.md statistics
## Recommendations
1. Review database schema doc monthly with DB lead
2. Automate company count update in README
```
---
## Version History
| Version | Date | Author | Changes |
|---------|------|--------|---------|
| 1.0 | 2026-01-10 | Auto-Claude | Initial maintenance guide creation |
---
## Related Documentation
- **Architecture Overview:** [README.md](README.md)
- **All Architecture Docs:** [docs/architecture/](.)
- **Verification Scripts:** [verify_diagrams.py](verify_diagrams.py), [verify_architecture_accuracy.py](verify_architecture_accuracy.py)
- **Main Project Guide:** [CLAUDE.md](../../CLAUDE.md)
---
## Quick Reference Card
### 🚨 Emergency Documentation Updates
```bash
# 1. Critical infrastructure change
vim docs/architecture/03-deployment-architecture.md
vim docs/architecture/07-network-topology.md
vim docs/architecture/08-critical-configurations.md
# 2. New external API
vim docs/architecture/06-external-integrations.md
vim docs/architecture/01-system-context.md
# 3. Production incident
vim docs/architecture/11-troubleshooting-guide.md
# 4. Verify changes
python3 verify_diagrams.py
# 5. Commit immediately
git add docs/architecture/
git commit -m "docs: emergency update for [incident/change]"
git push
```
### 📋 Monthly Review Checklist
```bash
# Run on 1st of each month (15-30 minutes)
# 1. Verify diagrams
python3 verify_diagrams.py
# 2. Update metrics in README
# - Company count
# - Route count
# - File sizes
# 3. Check for gaps
git log --since="1 month ago" --name-only | grep -E "app.py|database.py"
# Did any of these changes affect architecture?
# 4. Update version dates if needed
# - Last Updated field in changed documents
# 5. Commit updates
git add docs/architecture/
git commit -m "docs: monthly architecture documentation review"
git push
```
---
## Conclusion
This maintenance guide ensures the architecture documentation remains a **living, accurate resource** rather than becoming outdated.
**Key Principles:**
1. ✅ **Update as you code** - Documentation is part of feature development
2. ✅ **Verify regularly** - Use automation to catch drift
3. ✅ **Review periodically** - Monthly light reviews, quarterly deep dives
4. ✅ **Prioritize critical changes** - Infrastructure/security updates within 24 hours
5. ✅ **Keep diagrams accurate** - Visual docs outdated = worse than no docs
**Questions or Issues?**
- Create GitHub issue with `documentation` label
- Contact Tech Lead for clarification
- Update this guide as processes evolve
---
**Document Status:** Active
**Maintenance Owner:** Tech Lead
**Next Review:** 2026-02-01 (Monthly)
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