feat(core)!: enable function and initialization interception from registered pointcuts

[lisachenko]

What and why

Users no longer set Features::INTERCEPT_FUNCTIONS or Features::INTERCEPT_INITIALIZATIONS. The framework now works out from the registered pointcuts what it has to enable, and both flags are removed (BC break, same treatment as PARAMETER_WIDENING).

• Function interception: the flag only short-circuited AdviceMatcher::getAdvicesForFunctions(). That method already skips every advisor without a KIND_FUNCTION pointcut, so an execution(Namespace\function(*)) pointcut now weaves without a flag, and with no such pointcut it still costs nothing.
• Initialization interception: ConstructorExecutionTransformer is now always registered. Its getSourceMarkers() returns [] (rule off) unless an advisor with a KIND_INIT pointcut is registered. SyntaxTreeRewriter already drops a prefiltered rule that has no matching marker, so a file needing no rule is still never walked. PrefilteredNodeRewriter documents that an empty list turns a rule off.
• Lazy aspects: the new internal Go\Core\AdvisorIndex loads the aspects that are not loaded yet on the first query, the same way WeavingTransformer does on a cache miss. It keeps the union of the advisors' pointcut kinds and collects it again whenever the container's cached getServicesByInterface(Advisor::class) array changes, which happens after any registration. An aspect registered or loaded later is therefore picked up. Warm-cache requests never build any of this.
• Passing bit 1 or 2 in features fails with an InvalidConfigurationException that tells the user to drop the flag.
• INTERCEPT_INCLUDES (legacy include routing, not driven by pointcuts) and PREBUILT_CACHE are unchanged.

Behaviour change worth noting: an initialization(...) pointcut without the flag used to weave __initialization() but never run its advice. The fixture project's InitializationAspect was in exactly that state. It now intercepts new, and a new functional test checks this. With the gate deliberately broken, that test fails.

Transformation performance (composer test:performance:transformation, base and head alternated 3×, JIT disabled), average ratios:

Case	Base	Head
default rules	0.102	0.098
all rules	1.319	1.315
WeavingTransformer	0.282	0.282

Checklist

• The title follows Conventional Commits (type(scope): summary)
• Tests cover the change (new AdvisorIndexTest, rule on/off cases in ConstructorExecutionTransformerTest, removed-flag cases in AspectKernelTest, functional ClassWeavingTest::testInitializationAdviceRunsOnNewInWovenCode)
• composer check passes (cs, phpstan level 10, 3116 tests)
• User-facing or breaking changes are in CHANGELOG.md (and the upgrade guide for breaking changes)

🤖 Generated with Claude Code

https://claude.ai/code/session_01Hhj7Aqnac5xDA6L31WeJs8

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Generated by Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.82%. Comparing base (02b9a4c) to head (b2816cd).
⚠️ Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #767   +/-   ##
=========================================
  Coverage     97.81%   97.82%           
- Complexity     1841     1847    +6     
=========================================
  Files           104      105    +1     
  Lines          4849     4867   +18     
=========================================
+ Hits           4743     4761   +18     
  Misses          106      106           

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