skills: extract backend-agnostic video diffusion optimization skeleton

docs/knowledge-base.md

@@ -14,7 +14,7 @@ separate work, not an implemented capability of this knowledge base.
 ```text
 src/inferrsi/data/skill_library/
   README.md                         Library navigation
-  skill-index.json                   Stable IDs → categorized paths/backend (74 skills)
+  skill-index.json                   Stable IDs → categorized paths/backend (76 skills)
   hardware/{ascend,cuda,host}/<id>/   Hardware/platform-specific complete skills
   frameworks/<framework>/<id>/      Framework-owned complete skills
   repositories/<repo>/              Engine entry, sub-skills and focused complete skills
@@ -166,23 +166,23 @@ standalone export: retain the declared dependencies or the complete library.
 
 All 48 former root skills now have one canonical home under
 [`src/inferrsi/data/skill_library/`](../src/inferrsi/data/skill_library/README.md).
-Complete procedures, sidecars, references and cases are packaged, with 13 Ascend,
+Complete procedures, sidecars, references and cases are packaged, with 14 Ascend,
 3 CUDA and 5 host skills under `hardware/`; the rest are grouped as frameworks,
 repositories, methods or workflows. The 21 engine and research-router skills
 use the same ownership layout under `repositories/<engine>/` and
 `workflows/inference-engine-research/`, including their sub-skills and references.
-The library contains 119 `SKILL.md` files, all in English.
+The library contains 120 `SKILL.md` files, all in English.
 The collection overview, import notes and source manifest belong to the research
 workflow's references; Strata design-space analysis belongs to Strata. The library
 root contains only navigation and the registry.
 
 The [generated catalog](../src/inferrsi/data/repo_packs/inferrsi/knowledge/README.md)
-projects the 75 registered skills into the contribution catalog. Its records
+projects the 76 registered skills into the contribution catalog. Its records
 use `inferrsi.<backend>.skills.<name_with_underscores>` IDs, with `ascend` and
 `cuda` for scopes that depend on those backends and `common` for the remaining skills.
 Each `skill_documents.original` points to the full packaged procedure. The
 `skills` CLI retains the original hyphenated skill IDs and defaults to this
-75-ID registry; engine procedures remain available through library navigation
+76-ID registry; engine procedures remain available through library navigation
 and catalog document pointers.
 
 The registered [h3.c runtime audit](../src/inferrsi/data/skill_library/repositories/h3-c/audit-h3-runtime-residency/SKILL.md)

docs/skill-coverage.md

@@ -4,7 +4,7 @@ Generated from the registry, the skill sidecars and the two maintained
 matrices. **Do not edit by hand**; regenerate after any registry, skill,
 matrix or frozen-plan change.
 
-- Input digest: `sha256:cb1fedb4292b272ef63223dd29fa1fc483c63cd0cee74397ad7aa17dbf3a5321`
+- Input digest: `sha256:61b440f9e3333b2ad1e1aac0b9808b1610e389e0a96c151f38d3df931758daed`
 - Regenerate: `python tools/build_skill_coverage.py`
 - Verify without writing: `python tools/build_skill_coverage.py --check`
 
@@ -31,16 +31,16 @@ matrix: every field is copied from an owner that already maintains it.
 
 | Measure | Value |
 |---|---|
-| Registered skill ids | 75 |
-| By category | frameworks 3, hardware 22, methods 19, repositories 25, workflows 6 |
-| By backend | ascend 14, common 56, cuda 5 |
+| Registered skill ids | 76 |
+| By category | frameworks 3, hardware 22, methods 20, repositories 25, workflows 6 |
+| By backend | ascend 14, common 57, cuda 5 |
 | Recorded on a numbered SearchSpace resource layer | 48 |
 | Recorded only in a supplementary guidance table (†) | 13 |
 | Recorded on two or more resource layers | 24 |
 | Recorded in the Reference Matrix | 68 |
-| With a `metadata.json` sidecar | 70 |
+| With a `metadata.json` sidecar | 71 |
 | Selected by a frozen evaluation plan | 2 |
-| `SKILL.md` documents in the library | 119 |
+| `SKILL.md` documents in the library | 120 |
 | Unregistered documents (excluded from every count above) | 44 |
 
 A complete inventory is not a coverage claim. Every registered row below
@@ -60,7 +60,7 @@ optimization is fully covered or that any procedure has measured benefit.
 | [ascend-operator-tuning](../src/inferrsi/data/skill_library/hardware/ascend/ascend-operator-tuning/SKILL.md) | ascend | Run a staged, accuracy-gated tuning campaign on a single Ascend NPU operator: set a numeric target up front, block ... | 1 Accelerator · Optimize | 1 · Systems sources (ascend-ai-coding/awesome-ascend-skills @ 75ec89c) | candidate · not_run · 0 readset(s) | no-eval |
 | [ascend-optimization-casebook](../src/inferrsi/data/skill_library/hardware/ascend/ascend-optimization-casebook/SKILL.md) | ascend | Casebook of NPU optimization cases for Ascend inference systems: symptom → diagnosis → action → evidence records for ... | 1 Accelerator · Optimize / Verify | 1 · Systems sources (Ascend/MindIE-SD @ 8481d39) | candidate · not_run · 0 readset(s) | no-eval |
 | [ascend-performance-analysis](../src/inferrsi/data/skill_library/hardware/ascend/ascend-performance-analysis/SKILL.md) | ascend | Diagnose performance bottlenecks on Ascend NPU systems using CANN profiling data. Maps GPU profiling concepts (nsys ... | 1 Accelerator · Observe / Profile / Diagnose / Verify<br>4 Network · Observe / Profile / Diagnose / Verify<br>5 OS · Diagnose | 1 · Systems sources (Ascend/MindIE-SD @ 8481d39)<br>1 · Systems sources (cann/cannbot @ `c0e2ad23ee1a73e3c0f84c8df1cc459e2aae3110` (selected ...) | candidate · not_run · 1 readset(s) | no-eval |
-| [ascend-video-diffusion-optimization](../src/inferrsi/data/skill_library/hardware/ascend/ascend-video-diffusion-optimization/SKILL.md) | ascend | Run and verify goal-driven Ascend video diffusion optimization. Use when the user asks for latency, RTF, throughput, or ... | — | — | candidate · not_run · 1 readset(s) | no-SearchSpace-layer, no-Reference-Matrix-row, no-eval |
+| [ascend-video-diffusion-optimization](../src/inferrsi/data/skill_library/hardware/ascend/ascend-video-diffusion-optimization/SKILL.md) | ascend | Run and verify goal-driven Ascend video diffusion optimization. Specializes the backend-agnostic ... | — | — | candidate · not_run · 1 readset(s) | no-SearchSpace-layer, no-Reference-Matrix-row, no-eval |
 | [ascendc-tiling-design](../src/inferrsi/data/skill_library/hardware/ascend/ascendc-tiling-design/SKILL.md) | ascend | Design tiling for a custom AscendC operator: normalize the shape first (axis-collapse or flatten), answer the ... | 1 Accelerator · Optimize | 1 · Systems sources (ascend-ai-coding/awesome-ascend-skills @ 75ec89c) | candidate · not_run · 0 readset(s) | no-eval |
 | [cann-attribution-overlap](../src/inferrsi/data/skill_library/hardware/ascend/cann-attribution-overlap/SKILL.md) | ascend | Attribute NPU trace kernels to model source and plan bounded multistream overlap: select a representative step, map ... | 1 Accelerator · Observe / Profile / Diagnose / Optimize / Verify<br>4 Network · Diagnose / Optimize / Verify | 1 · Systems sources (cann/oam-tools @ `8440935f` (!302 import; later master `f3cf4115` ...) | candidate · not_run · 0 readset(s) | no-eval |
 | [cgroup-resource-controls](../src/inferrsi/data/skill_library/hardware/host/cgroup-resource-controls/SKILL.md) | common | Diagnose and configure cgroup v2 resource controls for serving/training workloads: distinguish quota stalls from ... | 2 RAM/Host · Observe / Profile / Configure / Verify<br>5 OS · Observe / Profile / Diagnose / Configure / Optimize / Verify | 1 · Systems sources (Linux cgroup v2 docs — kernel.org live 2026-10-15 (revision ...) | candidate · not_run · 0 readset(s) | no-eval |
@@ -112,7 +112,7 @@ optimization is fully covered or that any procedure has measured benefit.
 | [splash](../src/inferrsi/data/skill_library/repositories/splash/SKILL.md) | common | Investigate Splash model-format compatibility, automatic memory planning, Metal and ANE execution, DFlash2 ... | — | Splash portable AREX extraction (incoai/splash @ `39a97385f8560cf8a93972cec9b0a963c9195250`; AREX ...) | candidate · partial_cpu_only · 2 readset(s) | no-SearchSpace-layer, no-eval |
 | [vllm-metal](../src/inferrsi/data/skill_library/repositories/vllm-metal/SKILL.md) | common | Investigate vllm-metal Apple inference through platform and native-ABI selection, paged KV/offload ownership ... | 1 Accelerator † guidance: vLLM Metal selected source contracts<br>2 RAM/Host † guidance: vLLM Metal selected source contracts<br>3 SSD † guidance: vLLM Metal selected source contracts | vLLM Metal portable AREX source and CPU extraction (vllm-project/vllm-metal @ `e7df7a6ff215f99c7842552d230fdbc709835934` ...) | candidate · partial_cpu_only · 2 readset(s) | no-eval |
 
-## Registered: Methods (19)
+## Registered: Methods (20)
 
 | Skill | Backend | Declared task | SearchSpace layer / stage | Reference Matrix | State | Gaps |
 |---|---|---|---|---|---|---|
@@ -134,6 +134,7 @@ optimization is fully covered or that any procedure has measured benefit.
 | [skill-evolution-playbook](../src/inferrsi/data/skill_library/methods/skill-evolution-playbook/SKILL.md) | common | Practical design choices for evolving agent skills from execution traces: when one trajectory should update a skill ... | — | 2 · Methodology and corpus references (Qwen-Applications/Trace2Skill @ 3d0b52a)<br>2 · Methodology and corpus references (microsoft/SkillOpt @ 343db22) | candidate · not_run · 0 readset(s) | no-SearchSpace-layer, no-eval |
 | [training-input-pipeline](../src/inferrsi/data/skill_library/methods/training-input-pipeline/SKILL.md) | common | Diagnose training input stalls and choose bounded queue, shard-cache and cache-ownership changes from DALI, Mosaic ... | 1 Accelerator · Observe / Configure / Optimize<br>2 RAM/Host · Observe / Diagnose / Configure / Optimize<br>3 SSD · Diagnose / Configure / Optimize<br>4 Network · Configure / Optimize<br>5 OS · Configure / Optimize | 1 · Systems sources (B1 / NVIDIA DALI @ `6fe47c48d3b0ca335f5e1afd3c77c750b2c7e041` ...)<br>1 · Systems sources (B2 / Mosaic Streaming @ `d99bf9c7cdf2dd4ed62a4960ed35270b93337a5f` ...)<br>1 · Systems sources (B3 / FFCV @ `3a12966b3afe3a81733a732e633317d747bfaac7` ...) | candidate · not_run · 1 readset(s) | no-eval |
 | [training-resource-budget](../src/inferrsi/data/skill_library/methods/training-resource-budget/SKILL.md) | common | Choose training offload and resource-budget changes using pinned DeepSpeed configuration, attributed expert diagnosis ... | 1 Accelerator · Diagnose / Configure / Optimize<br>2 RAM/Host · Observe / Diagnose / Configure / Optimize / Verify<br>3 SSD · Configure / Optimize<br>4 Network · Observe / Diagnose / Verify<br>5 OS · Diagnose / Configure | 1 · Systems sources (CR1 / DeepSpeed ZeRO-Infinity @ `5f266e26d216a705d9c64cac88fb813ce ...)<br>1 · Systems sources (CR5 / Ascend MindSpeed adaptive memory — `core_r0.8.0`, page ...)<br>1 · Systems sources (ZeRO-Offload — [2101.06840v1](https://arxiv.org/abs/2101.06840v1))<br>2 · Methodology and corpus references (CR6 / Stas Bekman ML Engineering Open Book @ ...) | candidate · not_run · 8 readset(s) | no-eval |
+| [video-diffusion-optimization](../src/inferrsi/data/skill_library/methods/video-diffusion-optimization/SKILL.md) | common | Run and verify goal-driven video diffusion optimization, backend-agnostic. Use when the user asks for latency, RTF ... | — | — | candidate · not_run · 0 readset(s) | no-SearchSpace-layer, no-Reference-Matrix-row, no-eval |
 | [weight-loading-optimization](../src/inferrsi/data/skill_library/methods/weight-loading-optimization/SKILL.md) | common | Optimize the serving-level weight load path from storage to device: judge the load path on four dimensions (source ... | 1 Accelerator † guidance: Flare preparation and complete-session source contracts<br>2 RAM/Host † guidance: Flare preparation and complete-session source contracts<br>3 SSD · Observe / Profile / Diagnose / Optimize / Verify † guidance: Flare preparation and complete-session source contracts<br>4 Network · Configure / Optimize / Verify | 1 · Systems sources (Ascend/MindIE-SD @ 8481d39)<br>1 · Systems sources (NVIDIA/TensorRT-LLM @ f33e0e5fd)<br>1 · Systems sources (ascend-ai-coding/awesome-ascend-skills @ 75ec89c)<br>1 · Systems sources (foundation-model-stack/fastsafetensors @ 219e256)<br>1 · Systems sources (ggml-org/llama.cpp @ `3e390af18de1131dda27913c00511725b4274c8a` (MIT ...)<br>1 · Systems sources (mindie-agent/mindie-agent @ 6a81b41) | candidate · not_run · 3 readset(s) | no-eval |
 
 ## Registered: Workflows (6)
@@ -203,7 +204,7 @@ an entrypoint routes to procedures below it rather than adding one.
 
 ## Integrity checks
 
-- Registered ids resolve to an existing `SKILL.md`: 75 of 75.
+- Registered ids resolve to an existing `SKILL.md`: 76 of 76.
 - Duplicate ids or paths: none; `skill_catalog` rejects them before this view is built.
 - Skill links in the two matrices that do not resolve: 0.
 - Registered skills without a `metadata.json` sidecar: 5.
@@ -212,10 +213,10 @@ an entrypoint routes to procedures below it rather than adding one.
 
 | Gap | Skills |
 |---|---|
-| `no-SearchSpace-layer` | 14: ascend-video-diffusion-optimization, audit-fixed-workload-claim, audit-recurrent-kv-finalization, cite-check-downstream-pr, competitor-scan, draft-acceptance-issue, dwarfstar, husky, inference-benchmark-design, lily, npu-skill-factory, repository-evolution-analysis, skill-evolution-playbook, splash |
-| `no-Reference-Matrix-row` | 7: ascend-video-diffusion-optimization, audit-fixed-workload-claim, cite-check-downstream-pr, claim-contract, competitor-scan, draft-acceptance-issue, rsi-evidence |
+| `no-SearchSpace-layer` | 15: ascend-video-diffusion-optimization, audit-fixed-workload-claim, audit-recurrent-kv-finalization, cite-check-downstream-pr, competitor-scan, draft-acceptance-issue, dwarfstar, husky, inference-benchmark-design, lily, npu-skill-factory, repository-evolution-analysis, skill-evolution-playbook, splash, video-diffusion-optimization |
+| `no-Reference-Matrix-row` | 8: ascend-video-diffusion-optimization, audit-fixed-workload-claim, cite-check-downstream-pr, claim-contract, competitor-scan, draft-acceptance-issue, rsi-evidence, video-diffusion-optimization |
 | `no-sidecar` | 5: cite-check-downstream-pr, claim-contract, competitor-scan, draft-acceptance-issue, rsi-evidence |
-| `no-eval` | 73: as listed in the Gaps column above |
+| `no-eval` | 74: as listed in the Gaps column above |
 
 These are inventory gaps, not defects. A workflow skill may legitimately
 have no hardware resource layer; a candidate may legitimately be untested.

src/inferrsi/data/repo_packs/inferrsi/knowledge/README.md

@@ -1,6 +1,6 @@
 # InferRSI skill discovery index
 
-Generated abstracts for all 75 registered skills in `data/skill_library/`.
+Generated abstracts for all 76 registered skills in `data/skill_library/`.
 Their complete procedures, references and cases ship in the same package.
 `skill-index.json` maps stable skill IDs to categorized directories. The
 reference and searchspace matrices
@@ -15,7 +15,7 @@ These are knowledge abstracts (`--kind knowledge`), with namespaced package
 IDs distinct from explicitly selected `checkout_ref` skills. Ascend/CUDA
 procedures use their corresponding backend; shared methods use `common`.
 
-Source snapshot: [e71d0631a1c0854c9616d8ef5e174d3a1e14af4b](https://github.com/InferMatrixLab/InferRSI/tree/e71d0631a1c0854c9616d8ef5e174d3a1e14af4b/src/inferrsi/data/skill_library).
+Source snapshot: [f0e87c48809601d38035960d26737e0698489165](https://github.com/InferMatrixLab/InferRSI/tree/f0e87c48809601d38035960d26737e0698489165/src/inferrsi/data/skill_library).
 
 ```bash
 inferrsi knowledge search 'profiling' --repo-type inferrsi --limit 50
@@ -29,7 +29,7 @@ contain the current input paths and bytes (Git checkout filters are respected).
 
 ```bash
 python tools/build_skill_index.py --source-revision <committed-source-revision>
-python tools/build_skill_index.py --source-revision e71d0631a1c0854c9616d8ef5e174d3a1e14af4b --check
+python tools/build_skill_index.py --source-revision f0e87c48809601d38035960d26737e0698489165 --check
 ```
 
 `--check` detects missing, stale and unexpected generated records without writing.
@@ -110,5 +110,6 @@ References and cases ship with their owning skill, not as duplicate knowledge ab
 | [torchnpu-pinned-host-memory-lifecycle](ascend/skills/torchnpu-pinned-host-memory-lifecycle.json) | ascend | candidate |
 | [training-input-pipeline](common/skills/training-input-pipeline.json) | common | candidate |
 | [training-resource-budget](common/skills/training-resource-budget.json) | common | candidate |
+| [video-diffusion-optimization](common/skills/video-diffusion-optimization.json) | common | candidate |
 | [vllm-metal](common/skills/vllm-metal.json) | common | candidate |
 | [weight-loading-optimization](common/skills/weight-loading-optimization.json) | common | candidate |

src/inferrsi/data/repo_packs/inferrsi/knowledge/ascend/skills/ascend-aclgraph-capture-replay.json

@@ -21,8 +21,8 @@
   "sources": [
     {
       "type": "git",
-      "url": "https://github.com/InferMatrixLab/InferRSI/blob/e71d0631a1c0854c9616d8ef5e174d3a1e14af4b/src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/SKILL.md",
-      "commit": "e71d0631a1c0854c9616d8ef5e174d3a1e14af4b",
+      "url": "https://github.com/InferMatrixLab/InferRSI/blob/f0e87c48809601d38035960d26737e0698489165/src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/SKILL.md",
+      "commit": "f0e87c48809601d38035960d26737e0698489165",
       "paths": [
         "src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/SKILL.md",
         "src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/metadata.json",
@@ -41,7 +41,7 @@
     "src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/SKILL.md": "d494fc7e539cbb7388189bd7b3f04bb5c4983fdd7a82484348aad1cee7f741f2",
     "src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/metadata.json": "71c68431663ed2336cccc985a354adab6b13b4cfd6123a18a5d8d53c28268509",
     "src/inferrsi/data/skill_library/hardware/ascend/ascend-aclgraph-capture-replay/references/source-notes.md": "6ffbfb68cc7e04923b4fbca2a73a7555b7c3b45a6f40819bb5f3213ef05cf88d",
-    "src/inferrsi/data/skill_library/skill-index.json": "eaf446cb37baa90d40166119ca17cc0a434dbe3f77611423f648b0f225903f7c"
+    "src/inferrsi/data/skill_library/skill-index.json": "531190c468b6fb385b9b4aa71e666e8dd20d92aa5adc54bf4040f2096e3dd190"
   },
   "skill_metadata": {
     "name": "ascend-aclgraph-capture-replay",

src/inferrsi/data/repo_packs/inferrsi/knowledge/ascend/skills/ascend-device-health.json

@@ -23,8 +23,8 @@
   "sources": [
     {
       "type": "git",
-      "url": "https://github.com/InferMatrixLab/InferRSI/blob/e71d0631a1c0854c9616d8ef5e174d3a1e14af4b/src/inferrsi/data/skill_library/hardware/ascend/ascend-device-health/SKILL.md",
-      "commit": "e71d0631a1c0854c9616d8ef5e174d3a1e14af4b",
+      "url": "https://github.com/InferMatrixLab/InferRSI/blob/f0e87c48809601d38035960d26737e0698489165/src/inferrsi/data/skill_library/hardware/ascend/ascend-device-health/SKILL.md",
+      "commit": "f0e87c48809601d38035960d26737e0698489165",
       "paths": [
         "src/inferrsi/data/skill_library/hardware/ascend/ascend-device-health/SKILL.md",
         "src/inferrsi/data/skill_library/hardware/ascend/ascend-device-health/metadata.json",
@@ -41,7 +41,7 @@
   "source_files": {
     "src/inferrsi/data/skill_library/hardware/ascend/ascend-device-health/SKILL.md": "03829039860ece35519f2e4c339a48b5014ec25e07a2c150a3efb6a3a4e35b4a",
     "src/inferrsi/data/skill_library/hardware/ascend/ascend-device-health/metadata.json": "80d80c15514919826fa72d6f6cf26b76db8accd85d21187fc239232ca454e7bf",
-    "src/inferrsi/data/skill_library/skill-index.json": "eaf446cb37baa90d40166119ca17cc0a434dbe3f77611423f648b0f225903f7c"
+    "src/inferrsi/data/skill_library/skill-index.json": "531190c468b6fb385b9b4aa71e666e8dd20d92aa5adc54bf4040f2096e3dd190"
   },
   "skill_metadata": {
     "name": "ascend-device-health",