chore(master): release 1.0.0

[ooples]

🤖 I have created a release beep boop

1.0.0 (2026-08-20)

⚠ BREAKING CHANGES

• optimizers: NewtonMethodOptimizer.Step throws NotSupportedException on a training context that cannot re-evaluate the loss (TapeStepContext. SupportsReevaluation false), and LevenbergMarquardtOptimizer.Step always throws. Both previously fell through to the base class's plain theta -= lr*g, so callers who selected a second-order method silently received gradient descent. Use Optimize() with an explicit dataset, or choose Adam/SGD for a first-order method or LBFGS for a quasi-Newton one.
• layers: SafetyConfig.FrameSamplingRate and VideoSafetyConfig.FrameSamplingRate are removed. Sampling is a fixed per-video budget, which is what the cited paper does (arXiv:2411.05854 fed '14 image frames, 1 thumbnail, and text metadata' per video across 19,422 videos) -- a budget, not a frames-per-second rate. The property had no reader left, so an [Obsolete] shim would only have let callers keep binding to a no-op. Callers should delete their assignments; MultimodalVideoModerator.TaxonomyFrameBudget is the budget. VideoSafetyConfig also drops its now-unused 'using System;'. SafetyConfig keeps its own -- Array.Empty() still needs it -- so the reviewer's conditional removal does not apply.
• autoformer: removes public API (AiDotNet.Autodiff.GradientCheckpointing, CheckpointingExtensions, DiffusionMemoryManager.Checkpoint/.CheckpointSequence). No caller existed in this repo, but downstream consumers referencing them will need to move to the AiDotNet.Tensors primitive.

Features

• analyzers: enforce the golden patterns at build time (#1984) (6f38489)
• deepar: pluggable predictive-distribution head (Gaussian | Student-t | spline) (#1890) (8b8fd64)
• facade: purged/embargoed chronological validation split by default for forecast models (#1894) (6b83163)
• finance-rl: greenfield portfolio-manager RL core — env + risk-adjusted rewards + honest-eval harness (#1895) (259d58b)
• optimizer: divergence guard + ReduceLROnPlateau coordinated with early stopping (#1892) (a923166)
• rag: productionize the RAG pipeline (real LLM, real vector stores, async, quantization, eval, facade wiring) (#1896) (61bb013)
• serving: OpenAI-compatible API, streaming generation, and serving benchmark (#1882) (b2464b4)

Bug Fixes

• audio: make the mel front-end mandatory and replace fabricated spectrograms (#2027) (bc5111f)
• build: add the base hooks the #1789 split slices override (#1991) (bfd91b6)
• build: restore the broadcast call surface removed by tensors 0.121.0 (#1987) (f451025)
• facade: Configure* must not silently drop configuration — AIDN090/091 analyzer + segmentation overlay renderer (#2007) (d843c80)
• facade: quantization trained-state + rank-3 tensor training + interface-completeness guard (#1887) (d70b641)
• layers: DenseLayer linear-by-default — fix ReLU-head zero-collapse across model-family shards (#1789) (5b074eb)
• licensing: unblock CI + v2 aidn2 hardening (P1) — capability gating, CRL, scope/machine binding (#1891) (c551cbb)
• optimizers: make every fused optimizer spec describe what its Step() actually does (#2009) (264780d)
• tests: build model inputs from the effective shape, not the declared one (#2025) (a087259)
• tests: repair UTF-8 corruption in TrainingContractParityTests doc comment (#1898) (e50cca9)
• training: pass the configured optimizer to trainwithtape (#1986) (17893cb)

Performance

• autoformer: compute the correlation spectrum with one matmul; revive 20 dead GPU tests (#1916) (1f691fd)
• models: fix census hot paths and bounded fixture drift (#2006) (9f73afe)
• timeseries: stop per-element GPU host reads in Autoformer/Informer/TFT forwards (#1897) (7be00cd)

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Walkthrough

The release manifest advances the root package from version 0.231.0 to 1.0.0, and the changelog adds the dated release entry with breaking changes, features, bug fixes, and performance updates.

Changes

Release metadata

Layer / File(s)	Summary
Version and changelog entry .release-please-manifest.json, CHANGELOG.md	The root package version changes to 1.0.0, and a categorized changelog section documents API removals and release updates.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• ooples/AiDotNet#1884: Makes corresponding release-version and changelog updates for the adjacent release.

Poem

One point oh now takes the stage,
New features bloom upon the page.
Breaking changes mark the tune,
Fixes and speed arrive with June.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely identifies the primary change: creating the 1.0.0 release.

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