fix(ci): rename backport auto-label output so its report step runs

[Yicong-Huang]

What changes were proposed in this PR?

The Report backport decisions step in backport-auto-label.yml is skipped on every run, so the report comment and release-manager review request added in #6962 never fire.

Root cause: the step's guard reads steps.label.outputs.result. actions/github-script always writes the script's return value to an output named result after the body runs. The Label fix PRs script has no return, so that post-run write blanks out the explicit core.setOutput("result", …) — the guard is therefore always false.

Fix: rename the output to decisions (github-script only reserves result), and update the guard and the RESULT env reference to match. No logic in either step changes.

Any related issues, documentation, discussions?

Closes #7021.

How was this PR tested?

• Confirmed the failure on run 30423275226 (PR fix(workflow-operator): re-validate redirect hops in HF remote-URL fetches to close an SSRF bypass #7013): the Report backport decisions step shows skipped.
• Verified 0 <!-- backport-auto-label-report --> comments across fix(workflow-operator): re-validate redirect hops in HF remote-URL fetches to close an SSRF bypass #7013, fix(docs): use a plain year range in NOTICE copyright #6983, fix: Add missing license headers to Docs #6958, fix(deps, frontend): update dependency ajv to v8.18.0 [security] #6908 (including PRs that were auto-labeled), confirming the step is systemically skipped.
• Change is name-only; the report/review logic is untouched, so it runs unchanged once the guard sees the output.

Was this PR authored or co-authored using generative AI tooling?

Generated-by: Claude Code (Claude Opus 4.8)

[github-actions]

Automated Reviewer Suggestions

Based on the git blame history of the changed files, we recommend the following reviewers:

• No candidates found from git blame history.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.10%. Comparing base (469e8f0) to head (7cffa27).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #7022      +/-   ##
============================================
+ Coverage     78.99%   79.10%   +0.10%     
  Complexity     3788     3788              
============================================
  Files          1160     1160              
  Lines         46105    46108       +3     
  Branches       5115     5117       +2     
============================================
+ Hits          36419    36472      +53     
+ Misses         8067     8009      -58     
- Partials       1619     1627       +8     

Flag	Coverage Δ
access-control-service	70.00% <ø> (ø)
agent-service	76.76% <ø> (ø)
amber	72.27% <ø> (+0.06%)	⬆️
computing-unit-managing-service	20.49% <ø> (ø)
config-service	66.66% <ø> (ø)
file-service	67.21% <ø> (ø)
frontend	82.99% <ø> (-0.01%)	⬇️
notebook-migration-service	78.94% <ø> (ø)
pyamber	96.29% <ø> (+0.90%)	⬆️
workflow-compiling-service	26.31% <ø> (ø)

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[github-actions]

✅ No material benchmark regressions detected

🟢 4 better · 🔴 0 worse · ⚪ 11 noise (<±5%) · 0 without baseline

Compared against main 812f177 benchmarked on this same runner, so the delta is largely free of cross-runner hardware noise. The "7d avg" column still reflects the gh-pages dashboard. Treat <±5% as noise unless repeated.

Dashboard · Run

	config	throughput	MB/s	latency	max Δ latest / 7d
🟢	bs=10 sw=10 sl=64	365	0.223	25,816/39,271/39,271 us	🟢 -11.4% / 🔴 +148.5%
🟢	bs=100 sw=10 sl=64	789	0.481	128,278/141,295/141,295 us	🟢 -12.6% / 🔴 +31.7%
⚪	bs=1000 sw=10 sl=64	897	0.548	1,106,410/1,163,846/1,163,846 us	⚪ within ±5% / 🔴 +13.3%

Baseline details

Latest main 812f177 from same runner

config	metric	PR	latest main	7d avg	Δ latest	Δ 7d
bs=10 sw=10 sl=64	throughput	365 tuples/sec	358 tuples/sec	787.55 tuples/sec	+2.0%	-53.7%
bs=10 sw=10 sl=64	MB/s	0.223 MB/s	0.219 MB/s	0.481 MB/s	+1.8%	-53.6%
bs=10 sw=10 sl=64	p50	25,816 us	25,289 us	12,255 us	+2.1%	+110.7%
bs=10 sw=10 sl=64	p95	39,271 us	44,307 us	15,802 us	-11.4%	+148.5%
bs=10 sw=10 sl=64	p99	39,271 us	44,307 us	19,008 us	-11.4%	+106.6%
bs=100 sw=10 sl=64	throughput	789 tuples/sec	774 tuples/sec	997.81 tuples/sec	+1.9%	-20.9%
bs=100 sw=10 sl=64	MB/s	0.481 MB/s	0.472 MB/s	0.609 MB/s	+1.9%	-21.0%
bs=100 sw=10 sl=64	p50	128,278 us	123,541 us	100,690 us	+3.8%	+27.4%
bs=100 sw=10 sl=64	p95	141,295 us	161,728 us	107,316 us	-12.6%	+31.7%
bs=100 sw=10 sl=64	p99	141,295 us	161,728 us	113,823 us	-12.6%	+24.1%
bs=1000 sw=10 sl=64	throughput	897 tuples/sec	916 tuples/sec	1,030 tuples/sec	-2.1%	-12.9%
bs=1000 sw=10 sl=64	MB/s	0.548 MB/s	0.559 MB/s	0.629 MB/s	-2.0%	-12.9%
bs=1000 sw=10 sl=64	p50	1,106,410 us	1,089,286 us	981,213 us	+1.6%	+12.8%
bs=1000 sw=10 sl=64	p95	1,163,846 us	1,155,692 us	1,027,605 us	+0.7%	+13.3%
bs=1000 sw=10 sl=64	p99	1,163,846 us	1,155,692 us	1,055,466 us	+0.7%	+10.3%

Raw CSV

config_idx,batch_size,schema_width,string_len,num_batches,total_ms,total_tuples,total_bytes,tuples_per_sec,mb_per_sec,lat_p50_us,lat_p95_us,lat_p99_us
0,10,10,64,20,548.18,200,128000,365,0.223,25816.01,39271.07,39271.07
1,100,10,64,20,2535.22,2000,1280000,789,0.481,128278.41,141295.25,141295.25
2,1000,10,64,20,22284.15,20000,12800000,897,0.548,1106409.79,1163846.07,1163846.07