# Templater stdout maxBuffer Repo-Grounded Packet

Generated: 2026-06-20 17:13:26 JST
Offer page: https://jaxassistant55.github.io/jax-micro-offer-studio/templater-stdout-maxbuffer-sprint.html
Public repo: https://github.com/SilentVoid13/Templater
Local checkout: `/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/Templater`
Local patch file: `/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/templater_stdout_maxbuffer.patch`
Local test output: `/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/templater_stdout_maxbuffer_test_output.txt`
Inspected commit: `70a24ce`
Source issue: https://github.com/SilentVoid13/Templater/issues/1749
Fixed first sprint: $100
Confirmed money: $0

## Issue state

The issue is open and reports `stdout maxBuffer length exceeded` when a user-defined system command emits about 1.2 MB of text. The source discussion points at `src/core/functions/user_functions/UserSystemFunctions.ts`, where Templater uses Node `child_process.exec`.

## Files changed in the prepared local patch

1. `src/core/functions/user_functions/UserSystemFunctions.ts`
   - Passes `maxBuffer` into `exec`.
   - Converts the MB setting to bytes.
   - Falls back to 10 MB for missing or invalid stored values.

2. `src/settings/Settings.ts`
   - Adds `command_max_buffer` to defaults and settings type.
   - Adds an `Output buffer limit` number field visible with system commands.

3. `src/settings/SettingsV1.ts`
   - Adds the optional migration field for older settings data.

4. `docs/src/settings.md`
   - Documents the setting.

5. `docs/src/user-functions/system-user-functions.md`
   - Explains what to do when `stdout maxBuffer length exceeded` or `stderr maxBuffer length exceeded` appears.

6. `test/specs/settings.e2e.ts`
   - Adds a settings UI coverage case for `command_max_buffer`.

## Verification

```text
Templater stdout maxBuffer patch verification
Generated: 2026-06-20 17:07 JST

Source issue:
https://github.com/SilentVoid13/Templater/issues/1749

Local repo:
/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/Templater

Patch artifact:
/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/templater_stdout_maxbuffer.patch

Changed files:
- src/core/functions/user_functions/UserSystemFunctions.ts
- src/settings/Settings.ts
- src/settings/SettingsV1.ts
- docs/src/settings.md
- docs/src/user-functions/system-user-functions.md
- test/specs/settings.e2e.ts

Local checks:
1. git diff --check
   Result: passed with no whitespace errors.

2. Node child_process default-buffer reproduction:
   Command behavior: execute a child Node process that writes 1,100,000 bytes to stdout with default exec options.
   Result: default_exec_error=stdout maxBuffer length exceeded

3. Node child_process custom-buffer proof:
   Command behavior: execute the same child process with { maxBuffer: 2 * 1024 * 1024 }.
   Result: large_stdout_with_custom_maxBuffer=1100000

4. pnpm install --frozen-lockfile
   Result: not completed. npm registry metadata and attestation requests repeatedly timed out for packages including 7z-wasm, @codemirror/state, @codemirror/view, @electron/get, and @esbuild/aix-ppc64. The install was interrupted after repeated retries to avoid leaving a stalled session.

Full typecheck/build status:
Not run because dependencies were unavailable after the registry timeouts above.

Money boundary:
This is a prepared non-bounty patch and offer asset only. It is not payment proof. Confirmed money remains $0 until a real buyer accepts scope and an external payment or funded milestone is verified.

```

## Exact user steps to claim this lane

1. Open the live offer page: https://jaxassistant55.github.io/jax-micro-offer-studio/templater-stdout-maxbuffer-sprint.html
2. Open the source issue: https://github.com/SilentVoid13/Templater/issues/1749
3. Review the local patch file: `/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/templater_stdout_maxbuffer.patch`
4. Review focused verification output: `/Users/jax/autonomous_earning_run_2026-06-09/non_bounty/templater_stdout_maxbuffer_test_output.txt`
5. Add only a seller-owned checkout, invoice, marketplace order, funded milestone, or payment-request URL.
6. Do not post a comment, send email, open a PR, or send the patch unless you approve the external action.
7. Require this exact acceptance before payment:

   I accept the Templater stdout maxBuffer Sprint fixed-scope terms at $100. I understand work starts only after seller-owned external payment proof exists; I will provide only public or buyer-authorized code and non-sensitive requirements; the deliverable is limited to the prepared configurable output-buffer patch, settings UI/default/schema update, docs note, e2e settings coverage, apply instructions, and verification notes; and private vault data, credentials, payment data, secret logs, public posting, pull requests, or ongoing revisions are not included unless separately agreed before payment.

8. Deliver the patch only after external payment proof or after you explicitly decide to publish it as unpaid open-source work.
9. Capture proof: buyer URL/message, exact accepted scope, payment reference, amount, fees, refund/hold state, delivery URL or PR URL, buyer/platform acceptance if required, payout/payable/cleared status, and date.
10. Count $0 until posted, released, funded, payable, cleared, credited, or verified net money exists.

## Draft response, still not posted

I prepared a small patch for the system command stdout maxBuffer issue. It adds a configurable Output buffer limit setting, stores it as command_max_buffer in MB with a 10 MB default, passes maxBuffer into child_process.exec, documents the new setting, and adds settings coverage. A local Node smoke test reproduces the default stdout maxBuffer failure at 1.1 MB and confirms the same command succeeds with a larger maxBuffer. I can hand over the patch or adapt it to your branch after fixed-scope acceptance and external payment proof.