docs(release): 3.4.0 notes

[lesnik512]

Release notes for the unreleased work since the 3.3.0 tag: #425 (scope derivation + the compiled context resolver), #424 (docs/architecture removal), #423 (comparative table republish).

Version choice is 3.4.0, and it is worth a look: #425 removes ContextProvider.resolve and makes provider.scope read-only. Both are removals of machinery that was never a designed extension point, which is the same class as the provider-type closure that shipped as a minor in 2.29.0 under a ## Breaking change heading — so this follows that precedent rather than treating it as a major. Say the word if you'd rather it were 4.0.0 or 3.3.1 and I'll rename the file and adjust the framing.

No code changes. just lint-ci clean (planning/index.py --check, planning/links.py both OK).

[github-actions]

Benchmark

Details

Benchmark suite	Current: 361ebe3	Previous: 99c1b16	Ratio
benchmarks/test_guard_by_type.py::test_g16_resolve_by_type	3063961.670576989 iter/sec (stddev: 2.518632743401784e-8)	2661551.2361682355 iter/sec (stddev: 8.900700263320233e-8)	0.87
benchmarks/test_guard_by_type.py::test_g17_resolve_by_type_large_registry	3143528.3490209747 iter/sec (stddev: 1.9858661089049954e-8)	2709424.491954162 iter/sec (stddev: 9.267446501841643e-8)	0.86
benchmarks/test_guard_cold.py::test_g8_cold_first_resolve	23939.143296329705 iter/sec (stddev: 0.000005888833887647335)	23636.730258898464 iter/sec (stddev: 0.000004903387116470051)	0.99
benchmarks/test_guard_cold.py::test_g8b_cold_first_resolve_cached	18360.325912056644 iter/sec (stddev: 0.000005583139279885764)	17819.255992501494 iter/sec (stddev: 0.000007782069622592584)	0.97
benchmarks/test_guard_concurrency.py::test_g14_concurrent_cached_hit[1]	429.471515629567 iter/sec (stddev: 0.0000996366099995001)	403.90639386840263 iter/sec (stddev: 0.000048720262476707166)	0.94
benchmarks/test_guard_concurrency.py::test_g14_concurrent_cached_hit[2]	401.1391309183431 iter/sec (stddev: 0.0000410182775921761)	365.9811438726735 iter/sec (stddev: 0.00020839883886446156)	0.91
benchmarks/test_guard_concurrency.py::test_g14_concurrent_cached_hit[4]	371.507368920635 iter/sec (stddev: 0.00003556444862453793)	331.9301359790148 iter/sec (stddev: 0.00026775065608392214)	0.89
benchmarks/test_guard_concurrency.py::test_g15_concurrent_first_resolve[1]	2280.4963363433694 iter/sec (stddev: 0.000018748910964663452)	2232.560424015914 iter/sec (stddev: 0.000035134623207008466)	0.98
benchmarks/test_guard_concurrency.py::test_g15_concurrent_first_resolve[2]	1705.8937891195235 iter/sec (stddev: 0.00002889546084369682)	1702.8723340999109 iter/sec (stddev: 0.000036653443856347336)	1.00
benchmarks/test_guard_concurrency.py::test_g15_concurrent_first_resolve[4]	1178.7543554595336 iter/sec (stddev: 0.00003089775385137529)	1170.9010481668545 iter/sec (stddev: 0.00004840752309782305)	0.99
benchmarks/test_guard_lifecycle.py::test_g6_build_child_container	754254.9501667524 iter/sec (stddev: 4.651706803810463e-8)	744476.648643634 iter/sec (stddev: 4.920219581006143e-8)	0.99
benchmarks/test_guard_lifecycle.py::test_g6b_build_child_container_auto_scope	675364.2551789446 iter/sec (stddev: 7.95254268047865e-8)	689216.1654816811 iter/sec (stddev: 2.838341705281566e-8)	1.02
benchmarks/test_guard_lifecycle.py::test_g7_request_lifecycle_batch	2352.504572230266 iter/sec (stddev: 0.000016344317571360954)	2340.793841147439 iter/sec (stddev: 0.000012081117597925936)	1.00
benchmarks/test_guard_lifecycle.py::test_g7c_event_loop_floor_control	62315.03987597284 iter/sec (stddev: 0.0000016828053278879454)	61289.77587398854 iter/sec (stddev: 0.0000019855056985759595)	0.98
benchmarks/test_guard_lifecycle.py::test_g13_teardown_at_scale	45949.34245349079 iter/sec (stddev: 0.0000019731338858419234)	45735.78824510214 iter/sec (stddev: 0.0000022288941747460207)	1.00
benchmarks/test_guard_resolve.py::test_g1_transient_resolve	2033095.129123418 iter/sec (stddev: 2.9182938619915903e-8)	2014328.1173343842 iter/sec (stddev: 2.3612239147239873e-8)	0.99
benchmarks/test_guard_resolve.py::test_g2_cached_resolve	3435613.375858038 iter/sec (stddev: 6.806471850482239e-9)	3259325.5660110055 iter/sec (stddev: 9.396166101125413e-9)	0.95
benchmarks/test_guard_resolve.py::test_g3_deep_chain	751813.745964064 iter/sec (stddev: 3.026162118054409e-8)	732707.4851292095 iter/sec (stddev: 3.875451551364374e-8)	0.97
benchmarks/test_guard_resolve.py::test_g4_wide_resolve	392347.281959492 iter/sec (stddev: 1.291228333228367e-7)	398926.8150602975 iter/sec (stddev: 1.2196205029055555e-7)	1.02
benchmarks/test_guard_resolve.py::test_g5_cross_scope	1621948.9922977835 iter/sec (stddev: 3.7835728155078135e-8)	1631096.0635286337 iter/sec (stddev: 2.2244800292348367e-8)	1.01
benchmarks/test_guard_resolve.py::test_g9_context_resolve	824043.190577652 iter/sec (stddev: 2.946188711908947e-8)	842854.2145411115 iter/sec (stddev: 3.174588546140589e-8)	1.02
benchmarks/test_guard_resolve.py::test_g12_override_active_resolve	504025.94503623305 iter/sec (stddev: 4.759268974301172e-8)	498938.9688618574 iter/sec (stddev: 6.989942913426486e-8)	0.99
benchmarks/test_guard_resolve.py::test_g18_alias_hop	2498770.9170571747 iter/sec (stddev: 1.0773436374296299e-8)	2319960.2934186044 iter/sec (stddev: 1.4191400383893832e-8)	0.93
benchmarks/test_guard_validate.py::test_g10_validate_deep_chain	28091.402156354143 iter/sec (stddev: 0.000003339463299166824)	27982.154511562923 iter/sec (stddev: 0.000004147676652951062)	1.00
benchmarks/test_guard_validate.py::test_g11_validate_wide	17047.411317113092 iter/sec (stddev: 0.000004185207243961972)	17057.513820061897 iter/sec (stddev: 0.000004212995056827875)	1.00

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