A /readyz 200 Through a Postgres Blip Is Not a Healthy Store
A green /readyz is not proof Postgres is healthy. Print the ready status, the store probe, and the named gateway owner before you file an all-clear.
Shinjae Kang
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32 posts tagged with #Coding-Agents
Shinjae Kang
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A NUL Byte in a Permission Rule Is Not a Wildcard Allow
A permission rule that contains a NUL byte is not a wildcard allow. Print the rule bytes, the match-nothing result, and the named permission-rule owner before you file an allow-all ticket.
Shinjae Kang
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A Timed-Out Job Is Not a Killed Worker
A job that hits its timeout is not a dead worker pool. Print the job timeout, the worker kill, and the named queue:work owner before you file an outage.
Shinjae Kang
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One Matching Glob Is Not a Sandbox Exemption for the Rest of the Line
A docker glob that matches one command is not a sandbox exemption for npm ci && docker build. Print the glob, split every part, and name who owns sandbox.excludedCommands before you file a hole.
Shinjae Kang
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Handing the Hostname to the Forward Proxy Is Not a Missing Host
A failed local DNS lookup on a Claude apps gateway pod is not a missing host when the pod only talks through a forward proxy. Print the env, read the boot network line, and name who owns proxy-only egress.
Shinjae Kang
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A Present AGENTS.md Is Not the Project Instructions While CLAUDE.md Exists
A repo-root AGENTS.md is not Claude Code’s project instructions while CLAUDE.md or CLAUDE.local.md exists. Print the load line, open /config, and name who owns the instruction file.
Shinjae Kang
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Ubuntu-latest Is Not a Runner Image You Already Tested
A green Laravel or Vue workflow on ubuntu-latest is still today's image, not the image GitHub will move that label onto. Print the label, the named pin, the test job, and the workflow owner before the migration window.
Shinjae Kang
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A Missing Previews Block Is Not a License to Reuse Production Bindings
A Wrangler onboarding write for a missing previews block is a warning, not permission to point preview at production KV, D1, or secrets. Print the block, the placeholder, and the named config owner before you ship.
Shinjae Kang
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A Client That Still Sends Initialize Is Not a Broken Laravel MCP Server
An old MCP client that still opens with initialize is a handshake the new Laravel server still answers, not a dead 1.0 package. Print the method, the pin, and the named owner before you file the server.
Shinjae Kang
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A 300-Second WebFetch Fail Is Not a Hung Model
A red WebFetch at five minutes is a download deadline, not a stuck model. Print the named CLI pin, the deadline env, and the named owner before you page the model.
Shinjae Kang
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Every-Turn HTTP 400 on ANTHROPIC_BASE_URL Is Not a Dead Gateway
A wall of HTTP 400s on a named Claude Code base URL is a schema reject, not a status outage. Print the 400 body, the named URL, and the named CLI pin before you page the gateway.
Shinjae Kang
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Waiting for Your Input Is Not a Finished Background Agent
A remote or headless row that says waiting for your input is not done. Open the agent list, split Needs input from Working, and name who owns the CLI pin.
Shinjae Kang
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Node.js APIs On Is Not the New Module Registry
When import.meta.url fails on a Worker, Node.js APIs are already on. Name who owns the compat-flag list before the coding agent flips the wrong switch.
Shinjae Kang
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Treat Unreadable Managed Settings as Empty
When a managed allow-list cannot be read, Claude Code now admits nothing. Classify the block, name who owns the file, then resume the coding agent.
Shinjae Kang
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Read the Requested Scopes Before You File an Outage
A failed Cloudflare CLI login is a requested-scope list, not a status page. Copy the unknown scope, name who owns the CLI pin, then resume the coding agent.
Shinjae Kang
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Read the Why-Line Before You Trust the Org Policy
An Organization policy line on /status can explain a miss. It does not prove the fleet policy loaded. Read claude doctor, name the proxy owner, then resume coding.
Shinjae Kang
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A Deferred Group Name Is Not a Helper
A deferred Inertia group named auth is a request batch, not a PHP function. A red loadDeferredProps test is not a missing Vue prop. Name who owns the group strings.
Shinjae Kang
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An Issues Tab Is Not a Laravel Package Ticket
GitHub Issues are off on most Laravel packages. The ticket is a pull request that documents the bug, with a named owner. laravel/framework Issues stay on.
Shinjae Kang
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Name the Copilot Surface Before You Trust the Exclusion List
A Copilot content exclusion is a policy row. App and CLI now honor it. Agent chat in the editor still can. Name the owner of the list and of the surface before you call a secret recovered.
Shinjae Kang
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Leave Copilot Approve Off
GitHub now prints a ready-to-approve assessment on every Copilot review. That line is a note. The admin switch that turns it into a required approval is off by default. Keep it off.
Shinjae Kang
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Five Things I Refused This Week
A ranked cheat-sheet of five desk rules from this week: who pins the model, what .gitignore does not lock, who merges, who retries, and who still reads the diff.
Shinjae Kang
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I Do Not Let a Coding Agent Pick Its Own Model
The agent that writes the diff does not choose the model for that pull request. A named human pins the model before the session starts. Auto is a vendor default, not an owner.
Shinjae Kang
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I Do Not Give a Coding Agent Merge Rights
A coding agent may open the pull request. A named human still owns the merge click. Treat GitHub agent merge and auto-merge as opt-in shortcuts, never as the default.
Shinjae Kang
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Empty Tool Output Is Not Success Until the Harness Says Interrupted
An interrupted MCP tool in a headless coding-agent session used to look finished. Treat empty completion as a bug until the harness asserts an interrupted error.
Shinjae Kang
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Building a Background Agent Recovery CLI: The Three-Gate Check
Chat said done is not recovered. I wait for a file on disk, a job log that names why the run stopped, and one fail-once restart from the last good commit.
Shinjae Kang
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The Schema Change an AI Coding Agent Cannot Safely Guess
A generated migration that runs locally is not a production contract. Before an AI coding agent rewrites columns, require expand steps, dual-read boundaries, backfill evidence, worker compatibility, and an explicit rollback decision.
Shinjae Kang
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Audit the resume boundary: verify a coding agent from repository evidence
A practical way to decide whether a resumed coding-agent run is safe to continue: inspect local evidence, enforce command gates, review the diff, preserve test logs, and make rollback cheap.
Shinjae Kang
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A Coding-Agent Policy Is Change Control, Not a Settings File
Treat repository instructions for coding agents as a governed change-control system: owned, reviewed, scoped, evidenced, and reversible.
Shinjae Kang
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Grok 4.5 Is a Coding-Agent Moment Only If It Survives the Harness
Grok 4.5 is now available on the xAI API with pricing and reasoning controls that make developers pay attention. The real adoption test is whether it survives your local coding-agent harness.
Shinjae Kang
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The AI Coding Agent Arms Race — Why Model Portability Matters More Than Benchmarks
A current guide to keeping AI coding-agent instructions, verification, approval, and rollback in the repository so a tool or model change does not rewrite release control.
Shinjae Kang
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Long-Running AI Agents — From Demos to Production
A long-running coding agent can stay green after it changes directory. Production still needs a sandbox that survives /cd, a budget that counts nested work, and a human who owns both.
Shinjae Kang
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GLM 5.2 Just Became the Best Open-Weights Model — Here's What That Means
Z.AI's GLM 5.2 (744B MoE, 1M context, MIT license) tops open-weights benchmarks and runs coding agents at frontier level. Full breakdown.
Shinjae Kang
ReadAlso see: #Coding-Agents #Change-Control #Laravel #Claude-Code #Vue