feat(er): add in-product enablement support

[P403n1x87]

We add in-product enablement support for Exception Replay.

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

releasenotes/notes/feat-er-in-product-enablement-253418007f82a19b.yaml  @DataDog/apm-python
ddtrace/debugging/_products/exception_replay.py                         @DataDog/debugger-python

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 280 ± 4 ms.

The average import time from base is: 280 ± 3 ms.

The import time difference between this PR and base is: -0.3 ± 0.2 ms.

The difference is not statistically significant (z = -1.67).

Import time breakdown

The following import paths have grown:

ddtrace.auto 0.399 ms (0.14%)

ddtrace.bootstrap.sitecustomize 0.399 ms (0.14%)

ddtrace._trace.trace_handlers 0.158 ms (0.06%)

ddtrace.contrib.trace_utils 0.080 ms (0.03%)

ddtrace.contrib.internal.trace_utils 0.080 ms (0.03%)

ddtrace.contrib.internal.trace_utils_base 0.080 ms (0.03%)

ddtrace.ext.user 0.080 ms (0.03%)

ddtrace._trace._inferred_proxy 0.078 ms (0.03%)

ddtrace.propagation.http 0.078 ms (0.03%)

ddtrace.propagation._utils 0.078 ms (0.03%)

ddtrace.contrib.internal.subprocess.constants 0.086 ms (0.03%)

ddtrace.bootstrap.preload 0.082 ms (0.03%)

ddtrace.appsec._remoteconfiguration 0.082 ms (0.03%)

ddtrace.appsec._common_module_patches 0.073 ms (0.03%)

ddtrace.appsec._asm_request_context 0.073 ms (0.03%)

ddtrace.appsec._utils 0.073 ms (0.03%)

The following import paths have shrunk:

ddtrace.auto 1.672 ms (0.60%)

ddtrace.bootstrap.sitecustomize 1.002 ms (0.36%)

ddtrace.bootstrap.preload 0.704 ms (0.25%)

ddtrace.internal.remoteconfig.client 0.549 ms (0.20%)

ddtrace.internal.remoteconfig.worker 0.079 ms (0.03%)

ddtrace.debugging._import 0.076 ms (0.03%)

ddtrace.debugging._function.discovery 0.076 ms (0.03%)

ddtrace.appsec._common_module_patches 0.167 ms (0.06%)

ddtrace.appsec._asm_request_context 0.084 ms (0.03%)

ddtrace.appsec._metrics 0.083 ms (0.03%)

ddtrace._trace.trace_handlers 0.131 ms (0.05%)

ddtrace 0.670 ms (0.24%)

ddtrace.internal._unpatched 0.021 ms (0.01%)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-06-10 11:12:30

Comparing candidate commit 7b78a2a in PR branch feat/er-in-product-enablement with baseline commit 4371460 in branch main.

Found 0 performance improvements and 2 performance regressions! Performance is the same for 551 metrics, 3 unstable metrics.

scenario:iastaspects-lower_aspect

• 🟥 execution_time [+214.535ns; +258.757ns] or [+9.448%; +11.396%]

scenario:iastaspectsospath-ospathsplit_aspect

• 🟥 execution_time [+635.544ns; +809.907ns] or [+13.131%; +16.734%]