feat(dsm): add manual checkpoint parameter to consume API

[michael-zhao459]

Adds a manual_checkpoint parameter in the public dsm set_consume_checkpoint(), this allows one to turn off the manual_checkpoint:true tag if use of function is not for explicit purpose of manually instrumenting (default remains as manual instrumentation).

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/add-dsm-manual-checkpoint-flag-8ec40cc433070ee6.yaml  @DataDog/apm-python
ddtrace/data_streams.py                                                 @DataDog/apm-core-python
tests/datastreams/test_public_api.py                                    @DataDog/data-streams-monitoring

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 274 ± 3 ms.

The average import time from base is: 275 ± 4 ms.

The import time difference between this PR and base is: -1.4 ± 0.2 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 1.952 ms (0.71%)

ddtrace.bootstrap.sitecustomize 1.270 ms (0.46%)

ddtrace.bootstrap.preload 1.270 ms (0.46%)

ddtrace.internal.remoteconfig.client 0.632 ms (0.23%)

ddtrace 0.682 ms (0.25%)

ddtrace.internal._unpatched 0.032 ms (0.01%)

json 0.032 ms (0.01%)

json.decoder 0.032 ms (0.01%)

re 0.032 ms (0.01%)

enum 0.032 ms (0.01%)

types 0.032 ms (0.01%)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-06-12 13:49:12

Comparing candidate commit 2b00286 in PR branch michael.zhao/add-manual-check-dsm-checkpoint with baseline commit c58f633 in branch main.

Found 0 performance improvements and 1 performance regressions! Performance is the same for 418 metrics, 3 unstable metrics.

scenario:telemetryaddmetric-flush-1-metric

• 🟥 execution_time [+294.472ns; +446.826ns] or [+7.159%; +10.863%]