diff --git a/docs/policy/architecture.md b/docs/policy/architecture.md
index 10018f9..b8df33f 100644
--- a/docs/policy/architecture.md
+++ b/docs/policy/architecture.md
@@ -29,7 +29,7 @@ Source-format details belong in input modules. Transcript-specific concepts
 such as segments, speakers, timestamps, and transcript schemas must not spread
 into runner, extractor, or validator framework code.
 
-Extraction-domain details belong in process modules. D&D-specific concepts
+Extraction-domain details belong in extract modules. D&D-specific concepts
 such as spells, NPCs, items, combat turns, and encounters must not spread into
 core source, runner, or LLM framework packages.
 
@@ -39,11 +39,11 @@ should point to generic source units, not to transcript-only structures.
 The application workflow is:
 
 ```text
-input -> chunk -> process -> merge -> normalize -> output
+input -> chunk -> extract -> merge -> normalize -> output
 ```
 
 These stages should remain explicit in the architecture. Chunking, merging, and
-normalization must not be hidden inside domain process modules when they represent
+normalization must not be hidden inside domain extract modules when they represent
 general pipeline behavior.
 
 ## Dependency Policy
@@ -99,7 +99,7 @@ Domain implementations:
 
 - `internal/modules/input/<name>`: input-stage modules that parse external input into core source documents.
 - `internal/modules/chunk/<name>`: chunk-stage modules.
-- `internal/modules/process/<domain>/<name>`: process-stage extractor modules.
+- `internal/modules/extract/<domain>/<name>`: extract-stage extractor modules.
 - `internal/modules/merge/<name>` or `internal/modules/merge/<domain>/<name>`: merge-stage modules.
 - `internal/modules/normalize/<name>` or `internal/modules/normalize/<domain>/<name>`: normalize-stage modules.
 - `internal/modules/output/<name>`: output-stage modules.
@@ -120,7 +120,7 @@ workflow visible in the filesystem:
 ```text
 internal/modules/input/...
 internal/modules/chunk/...
-internal/modules/process/...
+internal/modules/extract/...
 internal/modules/merge/...
 internal/modules/normalize/...
 internal/modules/output/...
@@ -141,7 +141,7 @@ decisions.
 
 Other packages should interact with source input through adapter contracts and
 core source types. Input module implementation details and external dependency
-types must not leak into framework or process module packages.
+types must not leak into framework or extract module packages.
 
 Input module metadata may preserve source-specific facts such as transcript speaker,
 timestamps, Markdown heading path, page number, or block ID. Framework code may
@@ -152,7 +152,7 @@ shape.
 
 Extractors are independent modules that process source chunks or whole source
 documents and produce one kind of structured artifact candidate.
-Each process module owns:
+Each extract module owns:
 
 - its artifact semantics;
 - its prompt usage;
@@ -160,7 +160,7 @@ Each process module owns:
 - its validator chain;
 - any domain-specific mapping or interpretation.
 
-Process modules should depend on framework contracts and core source/artifact
+Extract modules should depend on framework contracts and core source/artifact
 types. They should not depend on concrete input module packages.
 
 Extractors should not be the only place where chunking, merging, or
@@ -181,7 +181,7 @@ The pipeline has six conceptual stages:
 
 1. input: external source material becomes a `SourceDocument`;
 2. chunk: a `SourceDocument` becomes ordered source chunks;
-3. process: extractors produce artifact candidates from chunks or whole documents;
+3. extract: extractors produce artifact candidates from chunks or whole documents;
 4. merge: per-chunk candidates become a merged candidate collection;
 5. normalize: merged candidates are reconciled for duplicates, aliases, consistency, or cross-chunk issues;
 6. output: final artifacts are serialized.
@@ -290,11 +290,11 @@ be opt-in.
 ## Testing
 
 Core logic should be testable without real external services. Use fakes,
-fixtures, or local test doubles for adapters, extractors, validators, and LLM
-clients where practical.
+fixtures, or local test doubles for input modules, extract modules, validators,
+and LLM clients where practical.
 
 Contract-first work should include fake implementations that prove interfaces
-compose before real adapters or extractors depend on them.
+compose before real input modules or extract modules depend on them.
 
 Config examples should be load-tested once config files exist. Important CLI
 workflows should have parser or command tests. Adapter, extractor, and validator
@@ -312,7 +312,7 @@ unit, source reference, input adapter, extractor, chunker, merger, normalizer,
 artifact, validator, and run manifest.
 
 Source-format details belong in input module or integration docs.
-Domain-specific extraction details belong in process module or artifact docs.
+Domain-specific extraction details belong in extract module or artifact docs.
 
 When changing architecture, config, CLI behavior, stage modules, extractor
 contracts, validator contracts, LLM runtime behavior, or artifact schemas, update
diff --git a/docs/roadmap/1-core-contracts-and-skeleton.md b/docs/roadmap/1-core-contracts-and-skeleton.md
index cab47f2..4b4ff45 100644
--- a/docs/roadmap/1-core-contracts-and-skeleton.md
+++ b/docs/roadmap/1-core-contracts-and-skeleton.md
@@ -26,7 +26,7 @@ In scope:
 Out of scope:
 
 - real input modules;
-- real process modules;
+- real extract modules;
 - LLM provider calls;
 - prompt or response-schema assets;
 - diagnostics run directory;
@@ -47,7 +47,7 @@ contract packages:
   structured LLM interfaces used by later checkpoints.
 
 The contracts should be proven with fake implementations in tests. Those tests
-should demonstrate composition without real input modules, real process modules,
+should demonstrate composition without real input modules, real extract modules,
 LLM provider calls, prompt assets, or diagnostics infrastructure.
 
 Implementation staging belongs in
diff --git a/docs/roadmap/2-framework-composition.md b/docs/roadmap/2-framework-composition.md
index 370f3d8..fd16fd1 100644
--- a/docs/roadmap/2-framework-composition.md
+++ b/docs/roadmap/2-framework-composition.md
@@ -27,7 +27,7 @@ Out of scope:
 
 - real input parsing;
 - real input modules;
-- real process modules;
+- real extract modules;
 - real LLM calls;
 - prompt assets;
 - response schema assets;
@@ -60,7 +60,7 @@ Implementation staging belongs in
 - `go test ./...` passes.
 - Fake adapter/extractor/validator registrations work in tests.
 - The runner operates on `SourceDocument`, not transcript-specific structures.
-- The runner does not import concrete D&D process module packages.
+- The runner does not import concrete D&D extract module packages.
 
 ## Review Questions
 
diff --git a/docs/roadmap/3-pipeline-stages-chunking-merge-normalize.md b/docs/roadmap/3-pipeline-stages-chunking-merge-normalize.md
index c6a443e..d56315c 100644
--- a/docs/roadmap/3-pipeline-stages-chunking-merge-normalize.md
+++ b/docs/roadmap/3-pipeline-stages-chunking-merge-normalize.md
@@ -7,17 +7,17 @@ This document describes planned work, not implemented behavior.
 ## Goal
 
 Make Notarius's application workflow first-class before adding real input
-modules or process modules.
+modules or extract modules.
 
 The workflow should be:
 
 ```text
-input -> chunk -> process -> merge -> normalize -> output
+input -> chunk -> extract -> merge -> normalize -> output
 ```
 
 Checkpoint 3 should define the contracts and minimal fake-tested framework
 behavior for chunking, per-chunk processing, merging, and normalization. It
-should not add real input modules, real domain process modules, LLM provider code,
+should not add real input modules, real domain extract modules, LLM provider code,
 or output encoders.
 
 ## Scope
@@ -26,7 +26,7 @@ In scope:
 
 - source chunk model;
 - chunker contract;
-- process-stage contract for extractors operating on chunks;
+- extract-stage contract for extractors operating on chunks;
 - merge-stage contract;
 - normalize-stage contract;
 - output-stage contract shape, if useful for pipeline completeness;
@@ -50,13 +50,13 @@ The repository should contain explicit pipeline-stage contracts:
 
 - `InputAdapter`: external source input to `SourceDocument`.
 - `Chunker`: `SourceDocument` to ordered `SourceChunk` values.
-- `Extractor` or processor: `SourceChunk` to artifact candidates.
+- `Extractor`: `SourceChunk` to artifact candidates.
 - `Merger`: per-chunk candidates to merged candidates.
 - `Normalizer`: merged candidates to normalized candidates.
 - `OutputEncoder`: final artifact bundle to bytes, if introduced in this
   checkpoint.
 
-The runner should orchestrate fake implementations through chunk, process,
+The runner should orchestrate fake implementations through chunk, extract,
 merge, normalize, and approval/validation behavior in tests.
 
 ## Design Intent
@@ -113,17 +113,17 @@ Domain-specific normalizers may later:
 
 - `go test ./...` passes.
 - Pipeline-stage contracts are explicit and source/domain agnostic.
-- Fake tests prove input source documents can be chunked, processed, merged, and
+- Fake tests prove input source documents can be chunked, extracted, merged, and
   normalized.
 - Merge and normalize are distinct concepts in code and tests.
 - The runner no longer implies whole-document-only extraction as the core
   application model.
-- No concrete input module, process module, LLM provider, prompt, response schema,
+- No concrete input module, extract module, LLM provider, prompt, response schema,
   diagnostics, config, or D&D artifact code is added.
 
 ## Review Questions
 
-- Is the workflow clearly represented as input, chunk, process, merge,
+- Is the workflow clearly represented as input, chunk, extract, merge,
   normalize, and output?
 - Are merge and normalize cleanly separated?
 - Can a generic merger handle simple chronological artifact streams?
diff --git a/docs/roadmap/6-dnd-spells-extractor.md b/docs/roadmap/6-dnd-spells-extractor.md
index c0c15a3..038c94a 100644
--- a/docs/roadmap/6-dnd-spells-extractor.md
+++ b/docs/roadmap/6-dnd-spells-extractor.md
@@ -6,7 +6,7 @@ This document describes planned work, not implemented behavior.
 
 ## Goal
 
-Implement the first useful process-stage module: D&D spell casts from a
+Implement the first useful extract-stage module: D&D spell casts from a
 Seriatim transcript source document.
 
 This checkpoint should produce the first meaningful vertical slice from real
@@ -19,7 +19,7 @@ In scope:
 - D&D spell artifact schema and Go structs;
 - structured response schema asset;
 - prompt assets;
-- `internal/modules/process/dnd/spells`;
+- `internal/modules/extract/dnd/spells`;
 - source-reference and schema validators in the extractor chain;
 - fake LLM tests;
 - CLI-level integration test if the CLI path is ready.
@@ -50,7 +50,7 @@ type SpellCast struct {
 }
 ```
 
-Keep this schema inside the D&D spells process module or a D&D artifact package,
+Keep this schema inside the D&D spells extract module or a D&D artifact package,
 not inside core framework packages.
 
 ### Stage 2: Structured Response Schema
@@ -76,7 +76,7 @@ Prompts should:
 
 ### Stage 4: Process Module Implementation
 
-Implement `internal/modules/process/dnd/spells`.
+Implement `internal/modules/extract/dnd/spells`.
 
 The extractor should:
 
@@ -117,13 +117,13 @@ The test should use fake LLM wiring and fixture input.
 - `go test ./...` passes.
 - Seriatim input can flow through the runner into the D&D spells extractor.
 - Spell artifacts include valid source references.
-- D&D concepts are contained in process module/artifact packages and docs.
+- D&D concepts are contained in extract module/artifact packages and docs.
 - The first meaningful vertical slice is available through tests, and through
   CLI if the CLI path is ready.
 
 ## Review Questions
 
-- Is the spell process module domain-specific without making the framework
+- Is the spell extract module domain-specific without making the framework
   D&D-specific?
 - Are source references valid and useful for downstream validation?
 - Is prompt/schema ownership clear?
diff --git a/docs/roadmap/documentation.md b/docs/roadmap/documentation.md
index 916cc91..cc4cff8 100644
--- a/docs/roadmap/documentation.md
+++ b/docs/roadmap/documentation.md
@@ -11,7 +11,7 @@ not describe implemented behavior.
 Notarius documentation should make three boundaries obvious:
 
 - source-format support belongs to input-stage modules;
-- extraction-domain behavior belongs to process-stage modules;
+- extraction-domain behavior belongs to extract-stage modules;
 - core framework behavior is source-agnostic and domain-agnostic.
 
 Documentation should avoid making the MVP look more transcript-specific or
@@ -47,7 +47,7 @@ Core docs should avoid transcript-specific terms such as segment, speaker,
 timestamp, and transcript range unless discussing an input adapter or an example.
 
 Core docs should avoid D&D-specific terms such as spell, NPC, item, combat, and
-encounter unless discussing process modules, artifact docs, or examples.
+encounter unless discussing extract modules, artifact docs, or examples.
 
 ### Input Module Docs Own Source Formats
 
@@ -95,12 +95,12 @@ Stage module docs should cover:
 - prompt and response-schema ownership;
 - examples.
 
-D&D concepts should be documented in D&D process-module or artifact docs, not in
+D&D concepts should be documented in D&D extract-module or artifact docs, not in
 generic runner or framework docs.
 
 ### CLI Docs Should Reflect Extensibility
 
-The CLI reference should present input modules, chunk modules, process modules,
+The CLI reference should present input modules, chunk modules, extract modules,
 merge modules, normalize modules, and output modules as selectable or
 configurable components as they become user-facing.
 
@@ -114,7 +114,7 @@ Once implemented, `docs/cli.md` should document:
 
 - positional source input path;
 - input module selection;
-- process module selection;
+- extract module selection;
 - chunk/merge/normalize/output selection when configurable;
 - config path behavior;
 - output path behavior;
@@ -127,7 +127,7 @@ Once implemented, `docs/cli.md` should document:
 
 - input module selection and module-specific options;
 - chunk module selection and module-specific options;
-- process module selection and module-specific options;
+- extract module selection and module-specific options;
 - merge module selection and module-specific options;
 - normalize module selection and module-specific options;
 - output module selection and module-specific options;
@@ -176,7 +176,7 @@ Before merging docs, check:
 
 - Does the document describe implemented behavior outside `docs/roadmap/`?
 - Are source-format details isolated to input module or integration docs?
-- Are D&D details isolated to process module or artifact docs?
+- Are D&D details isolated to extract module or artifact docs?
 - Is there one canonical home for the topic?
 - Do command examples match implemented CLI syntax?
 - Are examples valid, maintained, and free of secrets?
diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 694ad19..f812b1c 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -7,7 +7,7 @@ This is a staged implementation plan for
 an LLM coding agent to follow stage by stage.
 
 This plan implements only checkpoint 2. Do not implement real input modules,
-real process modules, source chunking, LLM provider clients, prompt assets,
+real extract modules, source chunking, LLM provider clients, prompt assets,
 response schema registries, diagnostics run directories, production config
 loading, or D&D artifact schemas in this pass.
 
@@ -22,7 +22,7 @@ Required boundaries:
 
 - framework packages must stay source-agnostic and domain-agnostic;
 - input adapter registry code must not import concrete input module packages;
-- extractor registry and runner code must not import concrete process module
+- extractor registry and runner code must not import concrete extract module
   packages;
 - runner code should operate on `SourceDocument`, not transcript-specific
   structures;
@@ -196,7 +196,7 @@ Cover the same cases as the input adapter registry:
 - sorted `RegisteredKeys`;
 - nil registry behavior.
 
-Use fake extractors only. Do not add concrete process module packages.
+Use fake extractors only. Do not add concrete extract module packages.
 
 ### Validation
 
@@ -236,7 +236,7 @@ Define helpers:
 ```go
 func Approved(candidateIndex int) contracts.ValidationDecision
 func Rejected(candidateIndex int, reasonCode string, message string) contracts.ValidationDecision
-func EnforceDecisionCardinality(candidates []artifacts.Candidate, decisions []contracts.ValidationDecision) error
+func EnforceDecisionCardinality(candidates []artifacts.ArtifactCandidate, decisions []contracts.ValidationDecision) error
 ```
 
 ### Required Behavior
@@ -264,8 +264,8 @@ func EnforceDecisionCardinality(candidates []artifacts.Candidate, decisions []co
 - work with candidate indices, not slice positions;
 - allow an empty candidate slice only when decisions are also empty.
 
-Candidate indices are expected to be unique by the time validators run. If the
-candidate slice itself contains duplicate indices, return an error.
+Artifact candidate indices are expected to be unique by the time validators run.
+If the candidate slice itself contains duplicate indices, return an error.
 
 ### Required Tests
 
@@ -396,7 +396,7 @@ func (r *Runner) Run(ctx context.Context, input RunInput) (RunOutput, error)
 1. reject nil runner or nil extractor factory;
 2. validate `input.Source` with `source.ValidateDocument`;
 3. reject an empty `ExtractorKeys` list;
-4. process extractor keys in input order;
+4. iterate extractor keys in input order;
 5. build each extractor through the factory;
 6. call `Extractor.Extract` with the source, LLM client, and metadata;
 7. append extractor warnings to `RunOutput.Warnings`;
@@ -406,9 +406,9 @@ func (r *Runner) Run(ctx context.Context, input RunInput) (RunOutput, error)
 11. reject candidates denied by validators;
 12. return approved/rejected artifacts in deterministic order.
 
-Candidate normalization must:
+Artifact candidate normalization must:
 
-- assign `Candidate.Index` using a global monotonically increasing counter;
+- assign `ArtifactCandidate.Index` using a global monotonically increasing counter;
 - fill empty `ExtractorKey`, `ArtifactType`, and `SchemaVersion` from the
   owning extractor;
 - return an error if a candidate's non-empty `ExtractorKey` differs from
@@ -502,7 +502,7 @@ Assertions:
 - extractor execution follows configured key order;
 - approved artifacts are in deterministic order;
 - rejected artifacts are in deterministic order;
-- no concrete input module or process module packages are imported.
+- no concrete input module or extract module packages are imported.
 
 ### Validation
 
@@ -528,7 +528,7 @@ Check:
 
 - no package names mention transcripts, Seriatim, D&D, spells, NPCs, items, or
   combat;
-- no concrete input module or process module package exists;
+- no concrete input module or extract module package exists;
 - no LLM provider code exists;
 - no prompt, response schema, diagnostics, config, or source chunking package
   was added;
diff --git a/docs/roadmap/initial-architecture.md b/docs/roadmap/initial-architecture.md
index 26e0cdd..dae4191 100644
--- a/docs/roadmap/initial-architecture.md
+++ b/docs/roadmap/initial-architecture.md
@@ -14,10 +14,10 @@ The first MVP should target audio transcripts generated by Seriatim. That
 choice should be implemented as an input-stage module, not as a
 transcript-specific assumption in the application core. Later input sources,
 such as unstructured Markdown notes or Obsidian documents, should be addable
-through new input and process modules without reshaping the framework.
+through new input and extract modules without reshaping the framework.
 
 The first extraction domain should be D&D session analysis, starting with spell
-casts. That domain should live in process-stage modules and related schemas, not
+casts. That domain should live in extract-stage modules and related schemas, not
 in core framework packages.
 
 The application should follow the same broad architecture as Audita:
@@ -25,7 +25,7 @@ The application should follow the same broad architecture as Audita:
 - deterministic core packages for config, source documents, artifacts, diagnostics, and reporting;
 - input-stage modules that translate external source formats into a small internal source model;
 - reusable framework packages for contracts, orchestration, LLM runtime, structured output, and validation;
-- independent process-stage modules that own domain-specific behavior;
+- independent extract-stage modules that own domain-specific behavior;
 - independent validator packages;
 - embedded prompt and JSON schema assets;
 - CLI orchestration that wires the pieces together without owning domain logic.
@@ -37,7 +37,7 @@ artifacts rather than proposing and applying transcript corrections.
 
 - Keep the core input model generic: ordered text units plus metadata.
 - Keep source-format details in hexagonal input modules.
-- Keep extraction-domain details in process modules.
+- Keep extraction-domain details in extract modules.
 - Treat evidence as source references, not transcript references.
 - Prefer narrow, useful abstractions over a universal document model.
 - Preserve enough provenance for validation, replay, and downstream inspection.
@@ -77,10 +77,10 @@ internal/modules/input/markdown
 internal/modules/chunk/generic
 internal/modules/chunk/dndtranscript
 
-internal/modules/process/dnd/spells
-internal/modules/process/dnd/items
-internal/modules/process/dnd/npcs
-internal/modules/process/dnd/combat
+internal/modules/extract/dnd/spells
+internal/modules/extract/dnd/items
+internal/modules/extract/dnd/npcs
+internal/modules/extract/dnd/combat
 
 internal/modules/merge/appendorder
 internal/modules/merge/dnd/spells
@@ -193,7 +193,7 @@ type Extractor interface {
     ArtifactType() string
     SchemaVersion() string
     Validators() []Validator
-    Process(ctx context.Context, req ProcessRequest) (ProcessResult, error)
+    Extract(ctx context.Context, req ExtractionRequest) (ExtractionResult, error)
 }
 ```
 
@@ -201,9 +201,9 @@ An extractor should receive either a whole source document or a source chunk,
 depending on processing mode. It should return typed artifact candidates plus
 warnings. It should not mutate the source document.
 
-Process modules own domain concepts. For example, D&D spell extraction should
-live under `internal/modules/process/dnd/spells`; a future to-do extractor for
-notes should live under a different process-module path and use the same
+Extract modules own domain concepts. For example, D&D spell extraction should
+live under `internal/modules/extract/dnd/spells`; a future to-do extractor for
+notes should live under a different extract-module path and use the same
 framework contract.
 
 ### Chunker
@@ -262,9 +262,13 @@ Per-run provenance record.
 
 ```go
 type RunManifest struct {
-    InputAdapter     string   `json:"input_adapter"`
+    InputModule      string   `json:"input_module"`
+    Chunker          string   `json:"chunker"`
     SourceDigests    []string `json:"source_digests"`
     Extractors       []string `json:"extractors"`
+    Merger           string   `json:"merger"`
+    Normalizer       string   `json:"normalizer"`
+    OutputEncoder    string   `json:"output_encoder"`
     SchemaVersion    string   `json:"schema_version"`
     ValidationStatus string   `json:"validation_status"`
 }
@@ -345,7 +349,7 @@ The architecture should support extractors outside the D&D domain. Examples:
 - decisions and action items from meeting transcripts;
 - named people, places, and dates from research notes.
 
-These should be addable as process modules without changing runner,
+These should be addable as extract modules without changing runner,
 validator, source-reference, or LLM framework contracts.
 
 ## Proposed Pipeline Flow
@@ -353,7 +357,7 @@ validator, source-reference, or LLM framework contracts.
 The application workflow should be first-class:
 
 ```text
-input -> chunk -> process -> merge -> normalize -> output
+input -> chunk -> extract -> merge -> normalize -> output
 ```
 
 Proposed runner flow:
diff --git a/internal/core/artifacts/artifacts.go b/internal/core/artifacts/artifacts.go
index 02e115a..e68230f 100644
--- a/internal/core/artifacts/artifacts.go
+++ b/internal/core/artifacts/artifacts.go
@@ -7,7 +7,7 @@ import (
 	"gitea.maximumdirect.net/eric/notarius/internal/core/source"
 )
 
-type Candidate struct {
+type ArtifactCandidate struct {
 	Index         int                `json:"index"`
 	ExtractorKey  string             `json:"extractor_key"`
 	ArtifactType  string             `json:"artifact_type"`
@@ -27,24 +27,28 @@ type Artifact struct {
 }
 
 type RejectedArtifact struct {
-	Candidate     Candidate `json:"candidate"`
-	ValidatorName string    `json:"validator_name"`
-	ReasonCode    string    `json:"reason_code"`
-	Message       string    `json:"message"`
+	Candidate     ArtifactCandidate `json:"candidate"`
+	ValidatorName string            `json:"validator_name"`
+	ReasonCode    string            `json:"reason_code"`
+	Message       string            `json:"message"`
 }
 
 type RunManifest struct {
 	RunID            string     `json:"run_id,omitempty"`
-	InputAdapter     string     `json:"input_adapter,omitempty"`
+	InputModule      string     `json:"input_module,omitempty"`
+	Chunker          string     `json:"chunker,omitempty"`
 	SourceDigests    []string   `json:"source_digests,omitempty"`
 	Extractors       []string   `json:"extractors,omitempty"`
+	Merger           string     `json:"merger,omitempty"`
+	Normalizer       string     `json:"normalizer,omitempty"`
+	OutputEncoder    string     `json:"output_encoder,omitempty"`
 	SchemaVersion    string     `json:"schema_version,omitempty"`
 	ValidationStatus string     `json:"validation_status,omitempty"`
 	StartedAt        *time.Time `json:"started_at,omitempty"`
 	CompletedAt      *time.Time `json:"completed_at,omitempty"`
 }
 
-func ArtifactFromCandidate(candidate Candidate) Artifact {
+func ArtifactFromCandidate(candidate ArtifactCandidate) Artifact {
 	return Artifact{
 		ExtractorKey:  candidate.ExtractorKey,
 		ArtifactType:  candidate.ArtifactType,
diff --git a/internal/core/artifacts/artifacts_test.go b/internal/core/artifacts/artifacts_test.go
index e3361c4..ff1425a 100644
--- a/internal/core/artifacts/artifacts_test.go
+++ b/internal/core/artifacts/artifacts_test.go
@@ -9,7 +9,7 @@ import (
 )
 
 func TestArtifactFromCandidatePreservesCandidateFields(t *testing.T) {
-	candidate := Candidate{
+	candidate := ArtifactCandidate{
 		Index:         7,
 		ExtractorKey:  "generic-extractor",
 		ArtifactType:  "generic-artifact",
@@ -60,7 +60,7 @@ func TestArtifactFromCandidatePreservesCandidateFields(t *testing.T) {
 }
 
 func TestJSONMarshalUsesExpectedFieldNames(t *testing.T) {
-	candidate := Candidate{
+	candidate := ArtifactCandidate{
 		Index:         1,
 		ExtractorKey:  "generic-extractor",
 		ArtifactType:  "generic-artifact",
diff --git a/internal/framework/contracts/composition_test.go b/internal/framework/contracts/composition_test.go
index 49842c3..19349a6 100644
--- a/internal/framework/contracts/composition_test.go
+++ b/internal/framework/contracts/composition_test.go
@@ -107,7 +107,7 @@ func (extractor compositionExtractor) Extract(ctx context.Context, req contracts
 	}
 
 	return contracts.ExtractionResult{
-		Candidates: []artifacts.Candidate{
+		Candidates: []artifacts.ArtifactCandidate{
 			{
 				Index:         0,
 				ExtractorKey:  extractor.Key(),
diff --git a/internal/framework/contracts/contracts.go b/internal/framework/contracts/contracts.go
index 53a4eee..e19dbee 100644
--- a/internal/framework/contracts/contracts.go
+++ b/internal/framework/contracts/contracts.go
@@ -53,8 +53,8 @@ type ExtractionRequest struct {
 }
 
 type ExtractionResult struct {
-	Candidates []artifacts.Candidate `json:"candidates,omitempty"`
-	Warnings   []Warning             `json:"warnings,omitempty"`
+	Candidates []artifacts.ArtifactCandidate `json:"candidates,omitempty"`
+	Warnings   []Warning                     `json:"warnings,omitempty"`
 }
 
 type Extractor interface {
@@ -66,9 +66,9 @@ type Extractor interface {
 }
 
 type ValidationRequest struct {
-	Source     *source.SourceDocument `json:"-"`
-	Candidates []artifacts.Candidate  `json:"candidates"`
-	Metadata   map[string]any         `json:"metadata,omitempty"`
+	Source     *source.SourceDocument        `json:"-"`
+	Candidates []artifacts.ArtifactCandidate `json:"candidates"`
+	Metadata   map[string]any                `json:"metadata,omitempty"`
 }
 
 type ValidationDecision struct {
diff --git a/internal/framework/contracts/contracts_test.go b/internal/framework/contracts/contracts_test.go
index 642dc80..e091686 100644
--- a/internal/framework/contracts/contracts_test.go
+++ b/internal/framework/contracts/contracts_test.go
@@ -58,19 +58,19 @@ func TestFakeExtractorReturnsCandidateAndValidator(t *testing.T) {
 
 	candidate := result.Candidates[0]
 	if candidate.Index != 0 {
-		t.Fatalf("Candidate.Index = %d, want 0", candidate.Index)
+		t.Fatalf("ArtifactCandidate.Index = %d, want 0", candidate.Index)
 	}
 	if candidate.ExtractorKey != extractor.Key() {
-		t.Fatalf("Candidate.ExtractorKey = %q, want %q", candidate.ExtractorKey, extractor.Key())
+		t.Fatalf("ArtifactCandidate.ExtractorKey = %q, want %q", candidate.ExtractorKey, extractor.Key())
 	}
 	if candidate.ArtifactType != extractor.ArtifactType() {
-		t.Fatalf("Candidate.ArtifactType = %q, want %q", candidate.ArtifactType, extractor.ArtifactType())
+		t.Fatalf("ArtifactCandidate.ArtifactType = %q, want %q", candidate.ArtifactType, extractor.ArtifactType())
 	}
 	if candidate.SchemaVersion != extractor.SchemaVersion() {
-		t.Fatalf("Candidate.SchemaVersion = %q, want %q", candidate.SchemaVersion, extractor.SchemaVersion())
+		t.Fatalf("ArtifactCandidate.SchemaVersion = %q, want %q", candidate.SchemaVersion, extractor.SchemaVersion())
 	}
 	if string(candidate.Payload) != `{"value":"example"}` {
-		t.Fatalf("Candidate.Payload = %s, want example payload", candidate.Payload)
+		t.Fatalf("ArtifactCandidate.Payload = %s, want example payload", candidate.Payload)
 	}
 }
 
@@ -112,7 +112,7 @@ func (extractor fakeExtractor) Validators() []Validator {
 
 func (extractor fakeExtractor) Extract(ctx context.Context, req ExtractionRequest) (ExtractionResult, error) {
 	return ExtractionResult{
-		Candidates: []artifacts.Candidate{
+		Candidates: []artifacts.ArtifactCandidate{
 			{
 				Index:         0,
 				ExtractorKey:  extractor.key,
diff --git a/internal/framework/runner/registry_integration_test.go b/internal/framework/runner/registry_integration_test.go
index a17db12..4772003 100644
--- a/internal/framework/runner/registry_integration_test.go
+++ b/internal/framework/runner/registry_integration_test.go
@@ -82,7 +82,7 @@ func (extractor integrationExtractor) Validators() []contracts.Validator {
 func (extractor integrationExtractor) Extract(ctx context.Context, req contracts.ExtractionRequest) (contracts.ExtractionResult, error) {
 	*extractor.executedKeys = append(*extractor.executedKeys, extractor.key)
 	return contracts.ExtractionResult{
-		Candidates: []artifacts.Candidate{
+		Candidates: []artifacts.ArtifactCandidate{
 			{Payload: []byte(`{"value":true}`)},
 		},
 	}, nil
diff --git a/internal/framework/runner/runner.go b/internal/framework/runner/runner.go
index 1555d7a..8f6714c 100644
--- a/internal/framework/runner/runner.go
+++ b/internal/framework/runner/runner.go
@@ -90,8 +90,8 @@ func (r *Runner) Run(ctx context.Context, input RunInput) (RunOutput, error) {
 	return output, nil
 }
 
-func normalizeCandidates(extractor contracts.Extractor, candidates []artifacts.Candidate, nextIndex *int) ([]artifacts.Candidate, error) {
-	normalized := make([]artifacts.Candidate, 0, len(candidates))
+func normalizeCandidates(extractor contracts.Extractor, candidates []artifacts.ArtifactCandidate, nextIndex *int) ([]artifacts.ArtifactCandidate, error) {
+	normalized := make([]artifacts.ArtifactCandidate, 0, len(candidates))
 	for _, candidate := range candidates {
 		candidate.Index = *nextIndex
 		*nextIndex = *nextIndex + 1
@@ -119,7 +119,7 @@ func normalizeCandidates(extractor contracts.Extractor, candidates []artifacts.C
 	return normalized, nil
 }
 
-func runValidators(ctx context.Context, extractor contracts.Extractor, doc *source.SourceDocument, candidates []artifacts.Candidate, metadata map[string]any) ([]artifacts.Candidate, []artifacts.RejectedArtifact, []contracts.Warning, error) {
+func runValidators(ctx context.Context, extractor contracts.Extractor, doc *source.SourceDocument, candidates []artifacts.ArtifactCandidate, metadata map[string]any) ([]artifacts.ArtifactCandidate, []artifacts.RejectedArtifact, []contracts.Warning, error) {
 	eligible := candidates
 	var rejected []artifacts.RejectedArtifact
 	var warnings []contracts.Warning
@@ -149,7 +149,7 @@ func runValidators(ctx context.Context, extractor contracts.Extractor, doc *sour
 			decisions[decision.CandidateIndex] = decision
 		}
 
-		nextEligible := make([]artifacts.Candidate, 0, len(eligible))
+		nextEligible := make([]artifacts.ArtifactCandidate, 0, len(eligible))
 		for _, candidate := range eligible {
 			decision := decisions[candidate.Index]
 			if decision.Approved {
diff --git a/internal/framework/runner/runner_test.go b/internal/framework/runner/runner_test.go
index 4c734fa..41dac2a 100644
--- a/internal/framework/runner/runner_test.go
+++ b/internal/framework/runner/runner_test.go
@@ -99,7 +99,7 @@ func TestRunRejectsNilExtractorFromFactory(t *testing.T) {
 func TestRunUsesConfiguredExtractorOrderAndAssignsGlobalIndices(t *testing.T) {
 	var order []string
 	var seenIndices []int
-	recordIndices := func(candidates []artifacts.Candidate) []contracts.ValidationDecision {
+	recordIndices := func(candidates []artifacts.ArtifactCandidate) []contracts.ValidationDecision {
 		decisions := make([]contracts.ValidationDecision, 0, len(candidates))
 		for _, candidate := range candidates {
 			seenIndices = append(seenIndices, candidate.Index)
@@ -133,7 +133,7 @@ func TestRunUsesConfiguredExtractorOrderAndAssignsGlobalIndices(t *testing.T) {
 
 func TestRunFillsEmptyCandidateExtractorMetadata(t *testing.T) {
 	factory := fakeFactory{extractors: map[string]contracts.Extractor{
-		"generic-extractor": fakeExtractor{key: "generic-extractor", artifactType: "generic-artifact", schemaVersion: "v1", candidates: []artifacts.Candidate{{Payload: []byte(`{"value":true}`)}}},
+		"generic-extractor": fakeExtractor{key: "generic-extractor", artifactType: "generic-artifact", schemaVersion: "v1", candidates: []artifacts.ArtifactCandidate{{Payload: []byte(`{"value":true}`)}}},
 	}}
 
 	output, err := New(factory).Run(context.Background(), RunInput{Source: validSourceDocument(), ExtractorKeys: []string{"generic-extractor"}})
@@ -150,18 +150,18 @@ func TestRunFillsEmptyCandidateExtractorMetadata(t *testing.T) {
 func TestRunRejectsCandidateMetadataMismatches(t *testing.T) {
 	tests := []struct {
 		name      string
-		candidate artifacts.Candidate
+		candidate artifacts.ArtifactCandidate
 		error     string
 	}{
-		{name: "extractor key", candidate: artifacts.Candidate{ExtractorKey: "other"}, error: "extractor_key"},
-		{name: "artifact type", candidate: artifacts.Candidate{ArtifactType: "other"}, error: "artifact_type"},
-		{name: "schema version", candidate: artifacts.Candidate{SchemaVersion: "other"}, error: "schema_version"},
+		{name: "extractor key", candidate: artifacts.ArtifactCandidate{ExtractorKey: "other"}, error: "extractor_key"},
+		{name: "artifact type", candidate: artifacts.ArtifactCandidate{ArtifactType: "other"}, error: "artifact_type"},
+		{name: "schema version", candidate: artifacts.ArtifactCandidate{SchemaVersion: "other"}, error: "schema_version"},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			factory := fakeFactory{extractors: map[string]contracts.Extractor{
-				"generic-extractor": fakeExtractor{key: "generic-extractor", artifactType: "generic-artifact", schemaVersion: "v1", candidates: []artifacts.Candidate{tt.candidate}},
+				"generic-extractor": fakeExtractor{key: "generic-extractor", artifactType: "generic-artifact", schemaVersion: "v1", candidates: []artifacts.ArtifactCandidate{tt.candidate}},
 			}}
 
 			_, err := New(factory).Run(context.Background(), RunInput{Source: validSourceDocument(), ExtractorKeys: []string{"generic-extractor"}})
@@ -194,7 +194,7 @@ func TestRunApprovesCandidatesWithoutValidators(t *testing.T) {
 }
 
 func TestRunValidatorApprovalProducesApprovedArtifacts(t *testing.T) {
-	validator := fakeValidator{name: "generic-validator", decisions: func(candidates []artifacts.Candidate) []contracts.ValidationDecision {
+	validator := fakeValidator{name: "generic-validator", decisions: func(candidates []artifacts.ArtifactCandidate) []contracts.ValidationDecision {
 		return []contracts.ValidationDecision{validationhelpers.Approved(candidates[0].Index)}
 	}}
 	factory := fakeFactory{extractors: map[string]contracts.Extractor{
@@ -212,13 +212,13 @@ func TestRunValidatorApprovalProducesApprovedArtifacts(t *testing.T) {
 
 func TestRunValidatorRejectionRemovesCandidateFromLaterValidators(t *testing.T) {
 	var laterSeen int
-	rejectFirst := fakeValidator{name: "reject-first", decisions: func(candidates []artifacts.Candidate) []contracts.ValidationDecision {
+	rejectFirst := fakeValidator{name: "reject-first", decisions: func(candidates []artifacts.ArtifactCandidate) []contracts.ValidationDecision {
 		return []contracts.ValidationDecision{
 			validationhelpers.Rejected(candidates[0].Index, "invalid", "not accepted"),
 			validationhelpers.Approved(candidates[1].Index),
 		}
 	}}
-	approveRemaining := fakeValidator{name: "approve-remaining", decisions: func(candidates []artifacts.Candidate) []contracts.ValidationDecision {
+	approveRemaining := fakeValidator{name: "approve-remaining", decisions: func(candidates []artifacts.ArtifactCandidate) []contracts.ValidationDecision {
 		laterSeen = len(candidates)
 		return []contracts.ValidationDecision{validationhelpers.Approved(candidates[0].Index)}
 	}}
@@ -254,7 +254,7 @@ func TestRunSurfacesValidatorNameMismatch(t *testing.T) {
 }
 
 func TestRunSurfacesValidatorCardinalityError(t *testing.T) {
-	validator := fakeValidator{name: "generic-validator", decisions: func(candidates []artifacts.Candidate) []contracts.ValidationDecision {
+	validator := fakeValidator{name: "generic-validator", decisions: func(candidates []artifacts.ArtifactCandidate) []contracts.ValidationDecision {
 		return nil
 	}}
 	factory := factoryWithValidator(validator)
@@ -359,7 +359,7 @@ type fakeExtractor struct {
 	artifactType   string
 	schemaVersion  string
 	candidateCount int
-	candidates     []artifacts.Candidate
+	candidates     []artifacts.ArtifactCandidate
 	validators     []contracts.Validator
 	warnings       []contracts.Warning
 	err            error
@@ -386,9 +386,9 @@ func (extractor fakeExtractor) Extract(ctx context.Context, req contracts.Extrac
 	if extractor.order != nil {
 		*extractor.order = append(*extractor.order, extractor.key)
 	}
-	candidates := append([]artifacts.Candidate(nil), extractor.candidates...)
+	candidates := append([]artifacts.ArtifactCandidate(nil), extractor.candidates...)
 	for len(candidates) < extractor.candidateCount {
-		candidates = append(candidates, artifacts.Candidate{Payload: []byte(`{"value":true}`)})
+		candidates = append(candidates, artifacts.ArtifactCandidate{Payload: []byte(`{"value":true}`)})
 	}
 	return contracts.ExtractionResult{
 		Candidates: candidates,
@@ -399,7 +399,7 @@ func (extractor fakeExtractor) Extract(ctx context.Context, req contracts.Extrac
 type fakeValidator struct {
 	name       string
 	resultName string
-	decisions  func([]artifacts.Candidate) []contracts.ValidationDecision
+	decisions  func([]artifacts.ArtifactCandidate) []contracts.ValidationDecision
 	warnings   []contracts.Warning
 	err        error
 }
@@ -436,7 +436,7 @@ func factoryWithValidator(validator contracts.Validator) fakeFactory {
 	}}
 }
 
-func approveAll(candidates []artifacts.Candidate) []contracts.ValidationDecision {
+func approveAll(candidates []artifacts.ArtifactCandidate) []contracts.ValidationDecision {
 	decisions := make([]contracts.ValidationDecision, 0, len(candidates))
 	for _, candidate := range candidates {
 		decisions = append(decisions, validationhelpers.Approved(candidate.Index))
diff --git a/internal/framework/validators/validators.go b/internal/framework/validators/validators.go
index 5129129..b4442bc 100644
--- a/internal/framework/validators/validators.go
+++ b/internal/framework/validators/validators.go
@@ -30,7 +30,7 @@ func Rejected(candidateIndex int, reasonCode string, message string) contracts.V
 	}
 }
 
-func EnforceDecisionCardinality(candidates []artifacts.Candidate, decisions []contracts.ValidationDecision) error {
+func EnforceDecisionCardinality(candidates []artifacts.ArtifactCandidate, decisions []contracts.ValidationDecision) error {
 	if len(candidates) != len(decisions) {
 		return fmt.Errorf("validator returned %d decisions for %d candidates", len(decisions), len(candidates))
 	}
diff --git a/internal/framework/validators/validators_test.go b/internal/framework/validators/validators_test.go
index 5cab651..53f97e9 100644
--- a/internal/framework/validators/validators_test.go
+++ b/internal/framework/validators/validators_test.go
@@ -43,7 +43,7 @@ func TestRejectedTrimsReasonAndMessage(t *testing.T) {
 }
 
 func TestEnforceDecisionCardinalityAllowsNonZeroCandidateIndices(t *testing.T) {
-	candidates := []artifacts.Candidate{{Index: 4}, {Index: 8}}
+	candidates := []artifacts.ArtifactCandidate{{Index: 4}, {Index: 8}}
 	decisions := []contracts.ValidationDecision{Approved(8), Approved(4)}
 
 	if err := EnforceDecisionCardinality(candidates, decisions); err != nil {
@@ -59,7 +59,7 @@ func TestEnforceDecisionCardinalityAllowsEmptyInputs(t *testing.T) {
 
 func TestEnforceDecisionCardinalityRejectsUnknownDecisionIndex(t *testing.T) {
 	err := EnforceDecisionCardinality(
-		[]artifacts.Candidate{{Index: 1}},
+		[]artifacts.ArtifactCandidate{{Index: 1}},
 		[]contracts.ValidationDecision{Approved(2)},
 	)
 
@@ -68,7 +68,7 @@ func TestEnforceDecisionCardinalityRejectsUnknownDecisionIndex(t *testing.T) {
 
 func TestEnforceDecisionCardinalityRejectsDuplicateDecisionIndex(t *testing.T) {
 	err := EnforceDecisionCardinality(
-		[]artifacts.Candidate{{Index: 1}, {Index: 2}},
+		[]artifacts.ArtifactCandidate{{Index: 1}, {Index: 2}},
 		[]contracts.ValidationDecision{Approved(1), Approved(1)},
 	)
 
@@ -77,7 +77,7 @@ func TestEnforceDecisionCardinalityRejectsDuplicateDecisionIndex(t *testing.T) {
 
 func TestEnforceDecisionCardinalityRejectsMissingDecisionIndex(t *testing.T) {
 	err := EnforceDecisionCardinality(
-		[]artifacts.Candidate{{Index: 1}, {Index: 2}},
+		[]artifacts.ArtifactCandidate{{Index: 1}, {Index: 2}},
 		[]contracts.ValidationDecision{Approved(1)},
 	)
 
@@ -86,7 +86,7 @@ func TestEnforceDecisionCardinalityRejectsMissingDecisionIndex(t *testing.T) {
 
 func TestEnforceDecisionCardinalityRejectsDuplicateCandidateIndex(t *testing.T) {
 	err := EnforceDecisionCardinality(
-		[]artifacts.Candidate{{Index: 1}, {Index: 1}},
+		[]artifacts.ArtifactCandidate{{Index: 1}, {Index: 1}},
 		[]contracts.ValidationDecision{Approved(1), Approved(1)},
 	)