[ALICE3] Tag secondaries from otf decayer properly and add qa to otf tracker

[jesgum]

No description provided.

[github-actions]

O2 linter results: ❌ 33 errors, ⚠️ 22 warnings, 🔕 0 disabled

[alibuild]

Auto-approving on behalf of @jesgum.

[alibuild]

Error while checking build/O2Physics/code-check for 14d05e1 at 2026-07-20 12:48:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 130 errors and 8 warnings.'
Found 130 errors and 8 warnings.
++ [[ 130 -gt 0 ]]
++ cat /sw/BUILD/60cf363ce87ae6265b9098ae13882047faf67ac2/O2Physics-code-check/errors.txt
ALICE3/Core/OTFParticle.h:45:5: error: 'mPdgCode' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:46:5: error: 'mGlobalIndex' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:47:5: error: 'mCollisionId' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:48:5: error: 'mPx' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:49:5: error: 'mPy' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:50:5: error: 'mPz' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:51:5: error: 'mE' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:52:5: error: 'mVx' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:53:5: error: 'mVy' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:54:5: error: 'mVz' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:55:5: error: 'mVt' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:56:5: error: 'mFlag' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:57:5: error: 'mStatusCode' should be initialized in a member initializer of the constructor [cppcoreguidelines-prefer-member-initializer,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:104:3: error: function 'pdgCode' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:105:3: error: function 'globalIndex' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:106:3: error: function 'collisionId' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:107:3: error: function 'isAlive' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:108:3: error: function 'isPrimary' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:109:3: error: function 'isFromMcParticles' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:110:3: error: function 'weight' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:115:3: error: function 'flags' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:116:3: error: function 'statusCode' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:117:3: error: function 'vx' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:118:3: error: function 'vy' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:119:3: error: function 'vz' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:120:3: error: function 'vt' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:121:3: error: function 'px' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:122:3: error: function 'py' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:123:3: error: function 'pz' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:124:3: error: function 'e' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:125:3: error: function 'radius' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:126:3: error: function 'r' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:127:3: error: function 'pt' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:128:3: error: function 'p' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:129:3: error: function 'phi' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:130:3: error: function 'eta' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:137:7: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:141:3: error: function 'y' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:148:7: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:152:3: error: function 'getMotherIndexStart' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:153:3: error: function 'getMotherIndexStop' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
ALICE3/Core/OTFParticle.h:154:3: error: function 'getDaughterIndexStart' should be marked [[nodiscard]] [modernize-use-nodiscard,-warnings-as-errors]
[0 more errors; see full log]

Full log here.