docs: inputs: forward: clarify buffer_max_size payload enforcement

[eschabell]

• Updated buffer_max_size description to note that the limit applies to incoming payloads and decompressed data, and that connections sending oversized payloads are rejected and closed (reflects enforcement added in in_forward source commit 4ffc5b0a0)

Summary by CodeRabbit

• Documentation
  • Updated configuration documentation to clarify that the maximum buffer size limit constrains incoming payloads and decompressed data. Payloads exceeding this limit are rejected and the connection is closed.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 86cec0ad-50e6-4507-b5ac-19dba9cbc7ca

📥 Commits

Reviewing files that changed from the base of the PR and between 5b017da and d987cb1.

📒 Files selected for processing (1)

• pipeline/inputs/forward.md

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📝 Walkthrough

Walkthrough

Documentation update to the Forward input plugin clarifying that buffer_max_size constrains incoming payloads and decompressed data, with payloads exceeding the limit being rejected and the connection closed.

Changes

Cohort / File(s)	Summary
Documentation Update pipeline/inputs/forward.md	Clarified buffer_max_size configuration description to explicitly state that it constrains incoming payloads and decompressed data, with rejection and connection closure for oversized payloads.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• Updated fwd input plugin for fixing user auth, added 1 missing config option and general cleanup to doc. Fixes #2212. #2230: Modified Forward input documentation and standardized buffer_max_size configuration naming, complementing this PR's clarification of its behavior.

Suggested reviewers

• alexakreizinger

Poem

🐰 Whiskers twitching, I clarify the way,
Buffer limits must have their say,
No oversized payload shall pass through,
The docs now shine with clearer view! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: clarifying documentation for buffer_max_size payload enforcement in the forward input plugin.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[eschabell]

Trivial text update to forward input plugin param description, merged based on ai review.