Send response headers on meta even without event

[estringana]

Description

Extension should make sure that response content-type and content-length are always presents on span tags. Even without appsec events

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[datadog-official]

⚠️ Tests

✨ Fix all issues with BitsAI or with Cursor

⚠️ Warnings

🧪 1026 Tests failed

    testSearchPhpBinaries from integration.DDTrace\Tests\Integration\PHPInstallerTest (Fix with Cursor)

    testSimplePushAndProcess from laravel-58-test.DDTrace\Tests\Integrations\Laravel\V5_8\QueueTest (Fix with Cursor)

testSimplePushAndProcess from laravel-8x-test.DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest (Datadog) (Fix with Cursor)

DDTrace\Tests\Integrations\Laravel\V8_x\QueueTest::testSimplePushAndProcess
Test code or tested code printed unexpected output: spanLinksTraceId: 69943f9c0000000069224fb728aa923f
tid: 69943f9c00000000
hexProcessTraceId: 69224fb728aa923f
hexProcessSpanId: e01ab209f2862008
processTraceId: 7575705171270472255
processSpanId: 16148415169683660808

phpvfscomposer://tests/vendor/phpunit/phpunit/phpunit:106

View all

ℹ️ Info

❄️ No new flaky tests detected

_{This comment will be updated automatically if new data arrives.
🔗 Commit SHA: 929d678 | Docs | Datadog PR Page | Was this helpful? Give us feedback!}

[pr-commenter]

Benchmarks [ appsec ]

Benchmark execution time: 2026-02-17 10:36:22

Comparing candidate commit 929d678 in PR branch estringana/send-reponse-headers-whithout-event with baseline commit c31cf60 in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 12 metrics, 0 unstable metrics.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.20%. Comparing base (c31cf60) to head (929d678).
⚠️ Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3653      +/-   ##
==========================================
- Coverage   62.21%   62.20%   -0.02%     
==========================================
  Files         141      141              
  Lines       13387    13388       +1     
  Branches     1753     1753              
==========================================
- Hits         8329     8328       -1     
- Misses       4260     4263       +3     
+ Partials      798      797       -1     

Files with missing lines	Coverage Δ
appsec/src/extension/tags.c	80.33% <100.00%> (+0.01%)	⬆️

... and 1 file with indirect coverage changes

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[cataphract]

You could test the other three as well. BTW the PR description says it's content-length and -type that we're adding, but -encoding and -language are sent as well. Is this the intended behavior?