Playbook Specifications
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Syncro
Database ArchitectureSRE IMPACT 10/10APACHE 2.0 OPEN-SPECOTEL NATIVE

Syncro

ERD Schema Synchronizer: Continuous Database Migration to Interactive Visual ERD Generator

Target Environment:Google Cloud Run / GKE / Self-Hosted Docker
Runtime License & Deployment Tier
Open-Core Developer SDK • Dedicated Enterprise SLA
Active Spec v2.4
$npm install @planetjdigital/syncro
GitHub
Sub-5ms In-Memory Overhead • Zero Data Retention (ZDR) Compliant
🛡️

Autonomous Multi-Model Adversarial Fuzzing Certified

Continuous stress-testing against prompt injections, cyclic parameter drift, and upstream rate limits via Llama 3.3 70B & DeepSeek-R1 (Autonomous Fuzzing).

Robustness Score98/100 PASSED
01Developer Quickstart • Integration Interface

Production Runtime Specification (Syncro)

Direct integration contract for Syncro. Deployable as a native microservice or imported directly into your agent runtime.

"""
Syncro: ERD Schema Synchronizer & Lock Contention Linter
"""
import re
from typing import List
from pydantic import BaseModel

class MigrationCheck(BaseModel):
    is_safe: bool
    table_lock_risk: str
    forbidden_clauses_detected: List[str]

class SyncroSchemaSynchronizer:
    FORBIDDEN_PATTERNS = [
        r"DROP\s+TABLE",
        r"DROP\s+COLUMN",
        r"ALTER\s+TABLE.*ALTER\s+COLUMN.*TYPE",
        r"ADD\s+COLUMN.*DEFAULT.*(?!NULL)"
    ]

    def lint_ddl(self, sql_script: str) -> MigrationCheck:
        flagged = []
        for pattern in self.FORBIDDEN_PATTERNS:
            if re.search(pattern, sql_script, re.IGNORECASE):
                flagged.append(pattern)

        return MigrationCheck(
            is_safe=(len(flagged) == 0),
            table_lock_risk="HIGH" if flagged else "NONE",
            forbidden_clauses_detected=flagged
        )
02The Problem & Impact

Production Failure Modes Addressed

⚠️ The Unaddressed Failure Mode

Entity Relationship Diagrams (ERDs) fall completely out of sync with actual production database schemas as engineering teams deploy rapid migrations.

⚡ Why Brittle Retries Fail

Manually drawing visual schemas inside design tools like Figma or Miro whenever a database column updates.

💎 The Deterministic Resolution

Syncro performs bi-directional entity-relationship schema diffing, automatically generating deterministic forward and backward migration scripts while preventing destructive column drops.

03System Architecture

Autonomous State Machine & OTel Telemetry

Interactive trace visualizer showing ingress gating, in-memory state transition, and OTel emission.

Syncro• Visual Runtime State Machine
Database Migration Ingress
Prisma / Drizzle / Flyway Schema DDL
INGRESS
Destructive Action Linter
DROP COLUMN / TABLE Blocker
NON-DESTRUCTIVE
Lock Contention Estimator
Postgres AccessExclusive Check
LOCK SAFE
CORE RESOLUTION STAGEDIFF SCAN < 4.8ms
Syncro
Diffing staging vs production schema definitions and validating zero-downtime migrations...
Schema Drift: 0
Non-Blocking Indexes: 3
Safe DDL Verified: True
Approved Migration Plan
Zero-Downtime Deployment
Unsafe Migration Halt
Table Lock Prevention Alert
GitHub PR Check Pass
Migration CI Green
COMMITTED
1. Ingress Gate

DDL Destructive Action Linter (DROP Blocker)

2. Core Processing

Postgres AccessExclusive Lock Contention Estimator

3. Egress Enforcer

Safe Zero-Downtime Migration Step Sequencer

4. OpenTelemetry

GitHub PR Status Check & Migration CI Pass

04Enterprise Readiness

Enterprise Runtime Specifications & SLA

Zero Data Retention (ZDR) Architecture

Operates strictly in-memory. Prompts and tool arguments are zeroized immediately following circuit evaluation.

VPC & Google Cloud Run Topologies

Deployable as an ephemeral sidecar, containerized Cloud Run microservice, or in-process Python/TS library.

Deterministic Circuit Breaker SLA

99.95% production uptime commitment with automatic graceful degradation on upstream LLM provider outages.

Open-Spec Code Ownership

Full Apache-2.0 core licensing. You maintain absolute ownership of your deployed infrastructure and workflows.

05Verification & Telemetry

Production Benchmark Telemetry

Empirical test telemetry from continuous integration regression suites.

< 3.2ms
P95 Ingress Overhead
100%
Cycle Interception
0 B
Disk State Persisted
99.95%
Service SLA Target

Deploy Syncro to Your Production Cluster

Explore the open-source specification on GitHub or connect with our engineering team to deploy a private, dedicated sandbox cluster on Google Cloud.