Add genesplice task epic for remaining work

tasks/aidd-genesplice-epic.md

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+# aidd-genesplice Epic
+
+**Status**: 📋 PLANNED
+**Goal**: Wire genesplice pipeline to `/aidd-parallel` for isolated candidate generation, expose subcommands for testable reasoning steps, and auto-generate deterministic criteria tests.
+
+## Overview
+
+Genesplice currently runs the entire evolutionary pipeline in a single agent context — research bleeds into scoring, candidates can cross-contaminate, and no reasoning step is independently testable. Delegating effects to `/aidd-parallel` sub-agents isolates each concern, while decomposing the pipeline into subcommands makes every thinking step eval-testable in isolation.
+
+## Critical Dependencies
+
+- PR #168 (`cursor/aidd-config-json-support-24c1`) — `/aidd-parallel` skill required for sub-agent delegation
+
+---
+
+## Sub-agent isolation via /aidd-parallel
+
+Delegate all effect steps to isolated sub-agent contexts using `/aidd-parallel delegate`.
+
+**Requirements**:
+- Given a `build` step, should delegate each candidate to a separate sub-agent via `/aidd-parallel delegate` with the gene profile seed, scored criteria, and output path as context
+- Given a `research` step, should run in its own sub-agent context so research findings cannot bleed into scoring or candidate generation
+- Given 2 candidates per generation, should spawn exactly 2 sub-agent workers per `build` step
+- Given a candidate sub-agent completes, should write output to the prototypes folder path supplied in its delegation prompt
+
+---
+
+## Pipeline subcommands
+
+Break the monolithic pipeline into independently invocable subcommands — effects and thinking separated.
+
+**Requirements**:
+- Given `/genesplice gather [context]`, should scan workspace and extract user-supplied fitness criteria (effect)
+- Given `/genesplice research [context]`, should run gather then fetch best practices in an isolated sub-agent and output raw findings (effect)
+- Given `/genesplice build [seed] [criteria]`, should delegate candidate generation to `/aidd-parallel delegate` (effect)
+- Given `/genesplice criteria [findings]`, should synthesize raw findings into a scored rubric without performing any I/O (thinking)
+- Given `/genesplice score [candidates] [criteria]`, should evaluate candidates against criteria without performing any I/O (thinking)
+- Given `/genesplice splice [scored-candidates]`, should combine best genes and introduce one mutation into the next-gen seed without I/O (thinking)
+- Given `/genesplice summarize [generations]`, should produce a scoring table across all generations and suggest a winner without I/O (thinking)
+- Given any thinking subcommand, should be eval-testable in isolation by passing serialized inputs and asserting on structured outputs
+
+---
+
+## --output flag
+
+Allow user to specify arbitrary output format.
+
+**Requirements**:
+- Given `--output=<description>` (e.g. "landing page HTML", "SudoLang skill file"), should pass the output description to each candidate sub-agent as part of its delegation context
+- Given no `--output` flag, should use the default output spec from `references/candidate-output.md`
+- Given a non-UI output type, should skip the a11y quality gate and adapt validation to the artifact type
+
+---
+
+## Deterministic criteria auto-testing
+
+For mechanically verifiable criteria, generate and run Bun CLI tests instead of subjective 0–10 scores.
+
+**Requirements**:
+- Given a criterion that is deterministically verifiable (e.g. "must be <100 LoC", "WCAG AA contrast"), should generate a Bun CLI test script that checks the candidate artifact
+- Given a generated test passes, should score the criterion 10; given it fails, should score 0
+- Given a mix of deterministic and subjective criteria, should run deterministic tests first and include their binary results in the scoring table alongside subjective 0–10 scores
+- Given the criterion "A11y/Readability" on a UI candidate, should delegate to the existing `a11y-score.ts` quality gate rather than generating a new test