feat: add AI operating economics skill (#368)

* feat: add AI operating economics skill

Add an evidence-led methodology for evaluating AI workflow value, cost, worker effects, quality guardrails, and authority expansion. Includes research references, durable decision templates, and six eval cases. AI assistance: Jasper, on behalf of Magnus Hedemark.

Signed-off-by: Magnus Hedemark <magnus919@pm.me>

* fix: resolve AI economics review findings

Align section numbering, evidence-language examples, and intervention-mode terminology identified by the exact-head review.

Signed-off-by: Magnus Hedemark <magnus919@pm.me>

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Signed-off-by: Magnus Hedemark <magnus919@pm.me>

ai-operating-economics/templates/ai-initiative-evidence-record.md

@@ -0,0 +1,131 @@
+# AI Initiative Evidence Record
+
+## Decision header
+
+- Initiative:
+- Workflow:
+- Population and scope:
+- Intervention mode: assist / recommend / route / execute / replace
+- Decision sought: scale / constrain / redesign / hold / retire / exception
+- Accountable decision owner:
+- Review date or trigger:
+- Record version:
+
+## Value hypothesis
+
+> For [population] doing [workflow], [intervention] will change [outcome] by [direction/range] without exceeding [countermetric boundary], at [full cost boundary], compared with [baseline], over [period].
+
+- Hypothesis status: supported / weakened / refuted / unresolved
+- Expected benefit:
+- Enabled capacity:
+- Operational benefit:
+- Realized economic or mission benefit:
+- Benefit realization mechanism:
+- Human-control boundary:
+- Authority proposed for next slice:
+
+## Evidence comparison
+
+- Baseline:
+- Comparison design:
+- Treatment period:
+- Comparison period:
+- Inclusion and exclusion rules:
+- Known selection effects:
+- Concurrent changes:
+- Quality measurement limitations:
+- Statistical or causal analysis owner:
+
+| Claim | Class | Source | Result | Caveat | Permitted interpretation |
+|---|---|---|---|---|---|
+| | observed / causal / inferred / vendor-reported / asserted / normative | | | | |
+
+## Outcome and countermetrics
+
+| Metric | Type | Definition and denominator | Baseline | Observed | Target/boundary | Owner | Evidence source |
+|---|---|---|---:|---:|---|---|---|
+| | primary / leading / countermetric / adoption | | | | | | |
+
+## Segment review
+
+| Slice | Adoption or exposure | Outcome | Quality/countermetric | New burden or benefit | Decision implication |
+|---|---:|---:|---:|---|---|
+| | | | | | |
+
+Slices not available and why:
+
+## Cost boundary
+
+### Billing truth
+
+- Provider/infrastructure source:
+- Billing period and version:
+- Reconciliation status:
+
+### Allocated cost
+
+- Allocation target:
+- Shared-cost rule:
+- Allocation owner:
+
+### Economic cost
+
+- Meaningful unit:
+- Model/inference:
+- Tools and APIs:
+- Retrieval/storage/networking:
+- Human review and exception handling:
+- Incremental capacity:
+- Engineering, evaluation, observability, governance, training, support, and exit:
+- Fixed, variable, step-function, avoided, transferred, and uncertain costs:
+- Calculation and allocation method:
+- Range or sensitivity:
+
+## Findings and gaps
+
+### Supported findings
+
+1.
+
+### Unresolved or conflicting findings
+
+1.
+
+### Missing evidence
+
+| Gap | Why it matters | Owner | Next evidence | Due date or trigger |
+|---|---|---|---|---|
+| | | | | |
+
+## Governance evidence packet
+
+- Intended use and risk tier:
+- System/model/prompt/policy/tool/provider/version inventory:
+- Acceptable-use, refusal, escalation, and human-oversight rules:
+- Pre-deployment evaluation and release threshold:
+- Third-party/provider assessment and contractual evidence:
+- Incident, override, and near-miss record:
+- Change/revalidation trigger:
+- Retention, dependency, leakage, user-impact, and decommissioning plan:
+
+## Decision and controls
+
+- Disposition:
+- Scope of approval:
+- Authority limit:
+- Budget or quota limit:
+- Human review or escalation rule:
+- Stop trigger:
+- Rollback, containment, or retirement path:
+- Exception approver, if applicable:
+- Revisit condition:
+
+## Learning closure
+
+- Expected versus observed outcome:
+- Expected versus observed cost:
+- Countermetric and subgroup result:
+- Incidents, overrides, or near misses:
+- Changes since prior record:
+- Hypothesis update:
+- Follow-up artifact or owner: