Update Agents.md to run tests before assemble

[zibet27]

Motivation
Agents first run assemble and then only tests which use more tokens and take more time

Solution

• Mention to run tests first

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 366f97f9-037a-46fe-8b7d-94280c02d1af

📥 Commits

Reviewing files that changed from the base of the PR and between 975ea8d and abdcd07.

📒 Files selected for processing (1)

• AGENTS.md

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Walkthrough

The AGENTS.md documentation file was updated to reorder workflow execution steps, placing test execution before compilation. A new guiding principle stating "Prefer this order to fail fast" was added after the ABI validation step, with minor spacing adjustments.

Changes

Cohort / File(s)	Summary
Workflow step reordering AGENTS.md	Reordered critical workflow steps to execute tests before compilation. Added new guiding line "Prefer this order to fail fast" after ABI validation step. Minor formatting/spacing adjustments applied.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• Update agent guidelines #5349: Modifies the same AGENTS.md file and addresses related workflow step ordering and guidance changes.

Suggested reviewers

• e5l

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: reordering workflow steps to run tests before assemble in the Agents.md documentation.
Description check	✅ Passed	The description includes Motivation and Solution sections as required by the template but omits the Subsystem section.
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
• Post copyable unit tests in a comment
• Commit unit tests in branch zibet27/improve-agents-md

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[osipxd]

We could ask it to use a one-liner (after the list):

./gradlew :module-name:assemble :module-name:<target>Test :module-name:formatKotlin :module-name:lintKotlin

What do you think?

[zibet27]

I think we can ask it to first run tests and then use a one-liner for assemble, format, and lint

If we use only one one-liner and an error occurs, I guess it will try to rerun all tasks sequentially
Though it's just a guess, and I'll try to experiment with that

[osipxd]

By the way we could add a general rule that when agent needs to run multiple Gradle tasks it should pass all these tasks as arguments to a single ./gradlew command.

[e5l]

lgtm

[osipxd]

Meh. CI needs to be started manually as we have unconditional requirement for checks, but this PR contains only *.md changes, so build hasn't started.