diff --git a/docs/roadmap/features/0005-narratio-source-installation-and-configuration.md b/docs/roadmap/features/0005-narratio-source-installation-and-configuration.md
new file mode 100644
index 0000000..2876594
--- /dev/null
+++ b/docs/roadmap/features/0005-narratio-source-installation-and-configuration.md
@@ -0,0 +1,461 @@
+# Feature 0005: Narratio Source Installation and Configuration
+
+Status: ready
+
+## Summary
+
+Provide a small, independently usable `rakestraw.narratio` role that installs
+Narratio from a pinned Git tag, builds its executable on the managed host,
+creates the application account and runtime directories, and manages its
+native pipeline configuration. Keep the role application-specific so the
+later suite role can supply D&D policy through its public interface without
+making the Narratio role responsible for the other applications or campaign
+content.
+
+## Problem or Opportunity
+
+The `ansible-role-narratio` repository contains only its initial README and
+license. Narratio is the command-line orchestrator for the transcript pipeline,
+so the complete suite cannot be composed until Narratio has an independently
+usable installation and configuration role.
+
+The four completed downstream application roles establish the concise
+source-build pattern. Narratio can reuse that pattern, but its native contract
+also requires a deployment account, shared writable runtime areas, a campaign
+registry root, and a substantially larger pipeline configuration interface.
+This feature fixes those boundaries before suite composition begins.
+
+## Governing Policies
+
+- [The Ansible house style](../../ansible.md) governs the role implementation,
+  public configuration interface, and template.
+- [The testing house style](../../testing.md) governs repository-local
+  validation. Tests exercise role-owned behavior through public inputs and
+  native application outcomes without snapshotting defaults, tracing tasks, or
+  rechecking trusted-module postconditions.
+- [The MVP roadmap](../mvp.md) fixes the common source-build architecture,
+  supported platform, filesystem layout, and standalone-role boundary.
+
+## Scope
+
+- Implement `ansible-role-narratio` as a conventional standalone role.
+- Support Ubuntu 26.04 on native `amd64` and `arm64` hosts.
+- Install Git and the official Go Snap with classic confinement when build
+  dependency management is enabled.
+- Default the Go Snap channel to `1.26/stable`.
+- Check out immutable Narratio tag `v2.0.0` by default under
+  `/usr/local/src/narratio`.
+- Build the native executable with Narratio's release build contract and
+  install it at `/usr/local/bin/narratio`.
+- Rebuild when the Git checkout changes or the binary is absent.
+- Converge the source tree and installed binary to root ownership, with the
+  binary at mode `0755`.
+- Create the `narratio` system group and system account with
+  `/var/lib/narratio` as its home and a non-login shell.
+- Create the workspace, spool, and cache roots as group-writable,
+  setgid directories owned by `narratio:narratio`.
+- Create the campaign registry as a root-managed, operator-readable content
+  root; leave its contents to the suite role or another caller.
+- Manage `/usr/local/etc/narratio/pipeline.yml` as `root:narratio` with mode
+  `0640` using one role-owned template.
+- Require the caller to supply the deployment-specific WhisperX transcription
+  URL because Narratio has no valid universal value for this required field.
+- Give filesystem roots concrete role-owned defaults. Default other optional
+  application settings to null and omit them until a caller supplies a
+  non-null value, allowing Narratio to retain ownership of its built-in
+  defaults.
+- Expose scalar fields individually. Expose native open-ended collections as
+  one variable each, including publish outputs, Notarius references and
+  outputs, and Scriptorium artifacts and artifact families.
+- Permit callers to compose those collection variables in inventory before
+  assigning the final value; do not add role-owned merge or precedence logic.
+- Expose ConfigKit's explicit import list in the root document without taking
+  ownership of the imported fragments or named profile overlays.
+- Keep defaults, argument specifications, README, metadata, collection
+  dependency declaration, template, and focused integration tests aligned
+  with this contract.
+
+## Non-goals
+
+- Installing or configuring Audita, Notarius, Seriatim, Scriptorium, WhisperX,
+  or the complete D&D suite.
+- Populating campaign data, prompt libraries, profiles, schemas, or session
+  documents.
+- Selecting D&D-specific pipelines, campaigns, models, prompts, artifacts,
+  extraction lanes, publish rules, storage providers, or application paths.
+- Managing ConfigKit import fragments or named profile overlay files.
+- Managing credentials, secret values, a secrets directory, environment
+  injection, or the pipeline-wide secret-delivery policy.
+- Adding human operator accounts to the `narratio` group; the suite role owns
+  operator selection and membership.
+- A Narratio daemon, service unit, scheduler, or timer.
+- A raw mapping for the complete pipeline document, a template override, or a
+  second parallel configuration interface.
+- Copying Narratio's built-in defaults into role defaults merely to render
+  them back into YAML.
+- Decomposing open-ended artifact, artifact-family, reference, or output maps
+  into variables for caller-defined keys.
+- Installing from published binary artifacts, cross-compiling, or supporting
+  platforms outside the MVP.
+- Production execution of Narratio to validate its binary or configuration.
+- Detection of out-of-band binary modification, compiler changes, or fixed
+  build-command changes.
+- Build fingerprints, checksums, sidecar state, staged replacement, manual Git
+  cleanup, or special recovery for malformed or adversarial host state.
+
+## Target End State
+
+On a supported host, applying the role with the required
+`narratio_whisperx_transcribe_url` installs or confirms Git and Go, creates the
+Narratio account and filesystem roots, checks out Narratio `v2.0.0` at
+`/usr/local/src/narratio`, builds `/usr/local/bin/narratio`, and manages
+`/usr/local/etc/narratio/pipeline.yml`.
+
+The baseline managed pipeline document contains only the caller's required
+WhisperX URL and the filesystem roots the role deliberately owns. Narratio
+continues to supply all other application defaults. When a caller sets an
+optional configuration variable, the corresponding native YAML field appears
+in the correct section. Null fields and parent mappings with no selected
+descendants are absent. Explicit false, zero, empty string, empty list, empty
+mapping, and other non-null values are serialized rather than silently
+omitted, leaving their native semantics to Narratio.
+
+Native open-ended collections pass through without structural rewriting.
+Callers and composing roles may define fragments in separate inventory files
+and combine them with ordinary Ansible/Jinja expressions before assigning the
+final collection variable. The role does not merge fragments or define
+precedence among them.
+
+The `narratio` account owns the mutable workspace, spool, and cache roots.
+Their setgid group-write permissions support later direct invocation by human
+operators whom the suite role adds to the `narratio` group. The root-managed
+campaign registry remains readable but not writable by those operators.
+
+An immediate repeated application reports no changes. A changed checkout or a
+missing binary causes the build command to run. Account, directory, and
+configuration changes converge through their responsible Ansible modules and
+do not become build triggers.
+
+## Repository Ownership
+
+- `ansible-role-narratio` owns the role implementation, application account,
+  runtime and campaign-root state, public variables, native root pipeline
+  serialization, metadata, dependency declaration, documentation, and
+  repository-local tests.
+- `../narratio` is the read-only authority for release, build, CLI,
+  configuration, filesystem, and integration contracts.
+- `rakestraw-ansible` is a read-only style and historical deployment reference.
+- `ansible-role-dnd-pipeline` will later own compatible application versions,
+  D&D-specific Narratio values, campaign and prompt content, secret delivery,
+  and human operator membership through the standalone roles' public
+  interfaces.
+- `ansible-workspace-dnd` owns this roadmap, the eventual staged implementation
+  plan, and aggregate status.
+- All other repositories remain unchanged.
+
+## Constraints and Settled Decisions
+
+- The selected default release is lightweight tag `v2.0.0`, resolving to
+  commit `ed4623bc415901134c765fe9cf06d59aa7891500`.
+- The release declares Go 1.26.0. The suite-standard `1.26/stable` Go Snap
+  channel satisfies that requirement.
+- The native build uses package `./cmd/narratio`, `CGO_ENABLED=0`,
+  `GOWORK=off`, `GOTOOLCHAIN=local`, `-trimpath`, and linker flags
+  `-s -w -X gitea.maximumdirect.net/eric/narratio/internal/buildinfo.Version=<version>`.
+- `narratio version` reports the embedded selected tag and provides the native
+  observable for an explicitly requested version in integration tests.
+- Narratio discovers `/usr/local/etc/narratio/pipeline.yml` before
+  `/etc/narratio/pipeline.yml`; the role manages the first path by default.
+- `whisperx.transcribe_url` is the only pipeline field without an application
+  default that is required for pipeline validation. The role therefore exposes
+  `narratio_whisperx_transcribe_url` as a required public input rather than
+  inventing a deployment endpoint.
+- Workspace, campaign, spool, and cache roots are concrete role defaults
+  because the role creates and owns the corresponding filesystem state. These
+  are intentional deployment policy, not a duplicate database of application
+  defaults.
+- All other optional configuration variables use YAML null defaults and
+  template conditions use `is not none`. Parent mappings are emitted only
+  when at least one descendant is non-null.
+- Strings and collections are serialized with Ansible or Jinja filters rather
+  than hand-written YAML quoting.
+- `narratio_publish_outputs`, `narratio_notarius_references`,
+  `narratio_notarius_outputs`, `narratio_scriptorium_artifacts`, and
+  `narratio_scriptorium_artifact_families` represent their complete native
+  fields. Caller-side composition is permitted, but the role supplies no merge
+  behavior.
+- Credential configuration contains environment-variable names only. Secret
+  values remain outside the role and managed pipeline document.
+- The configuration directory is `root:narratio` mode `0750`; the pipeline
+  file is `root:narratio` mode `0640`.
+- Mutable runtime roots are `narratio:narratio` mode `2775`. The campaign root
+  is `root:narratio` mode `0755` because version-controlled content is
+  populated by a separate owner and is not operator-edited on the host.
+- Tasks installing dependencies or managing privileged state use task-level
+  `become: true`.
+- `community.general` supplies Snap management and is pinned to version
+  `13.3.0` in the role's collection requirements.
+
+## Fixed Public Interface
+
+### Installation and Managed Filesystem
+
+| Variable | Default | Purpose |
+| --- | --- | --- |
+| `narratio_version` | `v2.0.0` | Selected Git revision and embedded build version |
+| `narratio_repository_url` | `https://gitea.maximumdirect.net/eric/narratio.git` | Source repository |
+| `narratio_source_dir` | `/usr/local/src/narratio` | Managed source checkout |
+| `narratio_binary_path` | `/usr/local/bin/narratio` | Installed executable |
+| `narratio_manage_build_dependencies` | `true` | Whether to install Git and Go |
+| `narratio_go_snap_channel` | `1.26/stable` | Go Snap channel |
+| `narratio_go_binary` | `/snap/bin/go` | Go executable used for the build |
+| `narratio_user` | `narratio` | System account owning mutable runtime state |
+| `narratio_group` | `narratio` | System group sharing mutable runtime state |
+| `narratio_config_path` | `/usr/local/etc/narratio/pipeline.yml` | Managed root pipeline document |
+| `narratio_workspace_root` | `/var/lib/narratio` | Managed workspace root and account home |
+| `narratio_campaigns_root` | `/usr/local/share/narratio/campaigns` | Managed campaign registry root |
+| `narratio_spool_root` | `/var/spool/narratio` | Managed spool root |
+| `narratio_cache_root` | `/var/cache/narratio` | Managed cache root |
+
+Changing a managed root changes both its rendered pipeline value and the
+directory the role manages. The role does not infer additional arbitrary paths
+embedded inside caller-supplied open-ended collections.
+
+### Pipeline Structure and Storage
+
+Except where a default is shown, every variable below defaults to null and is
+omitted when null.
+
+| Variable | Default | Native field |
+| --- | --- | --- |
+| `narratio_configkit_imports` | `null` | `configkit.imports` |
+| `narratio_workspace_cleanup_after_publish` | `null` | `workspace.cleanup_after_publish` |
+| `narratio_campaigns_default_campaign_id` | `null` | `campaigns.default_campaign_id` |
+| `narratio_storage_backend` | `null` | `storage.backend` |
+| `narratio_storage_s3_bucket` | `null` | `storage.s3.bucket` |
+| `narratio_storage_s3_root_prefix` | `null` | `storage.s3.root_prefix` |
+| `narratio_storage_s3_region` | `null` | `storage.s3.region` |
+| `narratio_storage_s3_endpoint` | `null` | `storage.s3.endpoint` |
+| `narratio_storage_s3_force_path_style` | `null` | `storage.s3.force_path_style` |
+| `narratio_storage_s3_access_key_id` | `null` | `storage.s3.access_key_id` environment-variable name |
+| `narratio_storage_s3_secret_access_key` | `null` | `storage.s3.secret_access_key` environment-variable name |
+| `narratio_spool_delete_audio_after_publish` | `null` | `spool.delete_audio_after_publish` |
+| `narratio_cache_s3_audio` | `null` | `cache.s3_audio` |
+| `narratio_publish_enabled` | `null` | `publish.enabled` |
+| `narratio_publish_upload_run` | `null` | `publish.upload_run` |
+| `narratio_publish_outputs` | `null` | Complete native `publish.outputs` list |
+
+### WhisperX, Seriatim, and Audita
+
+| Variable | Default | Native field |
+| --- | --- | --- |
+| `narratio_whisperx_transcribe_url` | required | `whisperx.transcribe_url` |
+| `narratio_whisperx_language` | `null` | `whisperx.language` |
+| `narratio_whisperx_timeout` | `null` | `whisperx.timeout` |
+| `narratio_whisperx_retries` | `null` | `whisperx.retries` |
+| `narratio_whisperx_retry_delay` | `null` | `whisperx.retry_delay` |
+| `narratio_whisperx_concurrency` | `null` | `whisperx.concurrency` |
+| `narratio_seriatim_binary` | `null` | `seriatim.binary` |
+| `narratio_seriatim_timeout` | `null` | `seriatim.timeout` |
+| `narratio_seriatim_output_schema` | `null` | `seriatim.output_schema` |
+| `narratio_seriatim_coalesce_gap` | `null` | `seriatim.coalesce_gap` |
+| `narratio_seriatim_report` | `null` | `seriatim.report` |
+| `narratio_seriatim_env_overlap_word_run_gap` | `null` | `seriatim.env.overlap_word_run_gap` |
+| `narratio_seriatim_env_overlap_word_run_reorder_window` | `null` | `seriatim.env.overlap_word_run_reorder_window` |
+| `narratio_seriatim_env_backchannel_max_duration` | `null` | `seriatim.env.backchannel_max_duration` |
+| `narratio_seriatim_env_filler_max_duration` | `null` | `seriatim.env.filler_max_duration` |
+| `narratio_audita_binary` | `null` | `audita.binary` |
+| `narratio_audita_timeout` | `null` | `audita.timeout` |
+| `narratio_audita_llm_api_key` | `null` | `audita.llm_api_key` environment-variable name |
+| `narratio_audita_modules` | `null` | `audita.modules` |
+| `narratio_audita_base_url` | `null` | `audita.base_url` |
+| `narratio_audita_model` | `null` | `audita.model` |
+| `narratio_audita_total_llm_concurrency` | `null` | `audita.total_llm_concurrency` |
+| `narratio_audita_proposal_llm_concurrency` | `null` | `audita.proposal_llm_concurrency` |
+| `narratio_audita_validation_model` | `null` | `audita.validation_model` |
+| `narratio_audita_validation_llm_concurrency` | `null` | `audita.validation_llm_concurrency` |
+| `narratio_audita_transcript_description` | `null` | `audita.transcript_description` |
+| `narratio_audita_config_path` | `null` | `audita.config_path` |
+| `narratio_audita_output_schema` | `null` | `audita.output_schema` |
+| `narratio_audita_work_dir_retention` | `null` | `audita.work_dir_retention` |
+| `narratio_audita_report` | `null` | `audita.report` |
+
+### Transcript Stages and Rendering
+
+| Variable | Default | Native field |
+| --- | --- | --- |
+| `narratio_normalize_output_path` | `null` | `normalize.output_path` |
+| `narratio_normalize_output_schema` | `null` | `normalize.output_schema` |
+| `narratio_normalize_report` | `null` | `normalize.report` |
+| `narratio_trim_enabled` | `null` | `trim.enabled` |
+| `narratio_trim_output_path` | `null` | `trim.output_path` |
+| `narratio_trim_bounds_prompt_id` | `null` | `trim.bounds.prompt_id` |
+| `narratio_trim_bounds_profile_id` | `null` | `trim.bounds.profile_id` |
+| `narratio_trim_bounds_transcript_input_name` | `null` | `trim.bounds.transcript_input_name` |
+| `narratio_trim_bounds_output_path` | `null` | `trim.bounds.output_path` |
+| `narratio_trim_bounds_timeout` | `null` | `trim.bounds.timeout` |
+| `narratio_trim_bounds_render_debug` | `null` | `trim.bounds.render_debug` |
+| `narratio_trim_bounds_render_output_path` | `null` | `trim.bounds.render_output_path` |
+| `narratio_trim_seriatim_report` | `null` | `trim.seriatim.report` |
+| `narratio_render_enabled` | `null` | `render.enabled` |
+| `narratio_render_format` | `null` | `render.format` |
+| `narratio_render_title` | `null` | `render.title` |
+| `narratio_render_include_timestamps` | `null` | `render.include_timestamps` |
+| `narratio_render_include_segment_ids` | `null` | `render.include_segment_ids` |
+| `narratio_render_include_metadata` | `null` | `render.include_metadata` |
+
+### Scriptorium, Notarius, and Notification
+
+| Variable | Default | Native field |
+| --- | --- | --- |
+| `narratio_scriptorium_binary` | `null` | `scriptorium.binary` |
+| `narratio_scriptorium_config_path` | `null` | `scriptorium.config_path` |
+| `narratio_scriptorium_timeout` | `null` | `scriptorium.timeout` |
+| `narratio_scriptorium_render_debug` | `null` | `scriptorium.render_debug` |
+| `narratio_scriptorium_artifacts` | `null` | Complete native `scriptorium.artifacts` map |
+| `narratio_scriptorium_artifact_families` | `null` | Complete native `scriptorium.artifact_families` map |
+| `narratio_notarius_enabled` | `null` | `notarius.enabled` |
+| `narratio_notarius_binary` | `null` | `notarius.binary` |
+| `narratio_notarius_config_path` | `null` | `notarius.config_path` |
+| `narratio_notarius_pipeline_id` | `null` | `notarius.pipeline_id` |
+| `narratio_notarius_timeout` | `null` | `notarius.timeout` |
+| `narratio_notarius_working_directory` | `null` | `notarius.working_directory` |
+| `narratio_notarius_references` | `null` | Complete native `notarius.references` map |
+| `narratio_notarius_outputs` | `null` | Complete native `notarius.outputs` map |
+| `narratio_notification_mode` | `null` | `notification.mode` |
+
+## Simplest Viable Implementation
+
+The production task flow is:
+
+1. Assert the supported platform and architecture.
+2. Install Git and Go when dependency management is enabled.
+3. Create the Narratio system group and account.
+4. Create the source and configuration parent directories.
+5. Create the mutable runtime roots and read-only campaign registry root.
+6. Check out the selected Narratio revision with `ansible.builtin.git`.
+7. Inspect only whether the installed binary exists, because that result is
+   needed to decide whether the imperative build command must run.
+8. Build directly to the selected binary path when the checkout changed or
+   the binary is absent.
+9. Converge binary ownership and mode with `ansible.builtin.file`.
+10. Render the root pipeline document with one
+    `ansible.builtin.template` task.
+
+The build command uses `narratio_go_binary` and runs only under the two stated
+conditions. Ordinary modules own all other state checks. No role-private state,
+pre-build version interrogation, post-build validation, configuration
+validation, or redundant filesystem inspection belongs in production tasks.
+
+The template is necessarily larger than those of the downstream roles because
+Narratio's native pipeline schema is larger. Its logic remains mechanical:
+serialize the required URL and role-owned roots, test each optional field with
+`is not none`, emit a parent section only when needed, and pass native
+collections through unchanged.
+
+## Rationale and Alternatives
+
+Narratio's configuration is broad, but a field-specific interface preserves
+discoverability, argument validation, stable inventory names, and a clean
+composition boundary for the suite role. A raw complete-document variable
+would make the template shorter but would discard those benefits and conflict
+with the established configuration policy. Open-ended native collections are
+kept whole because decomposing caller-defined keys would create a second schema
+and make inventory composition harder.
+
+Requiring the WhisperX URL is preferable to installing a configuration that
+Narratio cannot validate or inventing an endpoint that might silently direct
+work to the wrong service. The baseline integration invocation supplies a
+non-contacted test URL; production callers supply their actual endpoint.
+
+The standalone role creates the application account and directory permissions
+because those are Narratio runtime requirements. It does not select human
+operators, because membership is deployment-wide policy and belongs in the
+suite role.
+
+ConfigKit imports and profiles remain available to advanced callers, but the
+role manages only the canonical root document. This avoids a parallel raw-file
+deployment subsystem. A caller that selects imports or profiles is responsible
+for installing those additional files by another role or play.
+
+## Acceptance Criteria
+
+### Required Role Behavior
+
+- The role rejects unsupported platforms before modifying application state.
+- On a supported host, it installs the selected Narratio source release and
+  builds the binary with the upstream release contract.
+- The system account, source, binary, configuration, runtime roots, and
+  campaign root converge to the paths, ownership, and modes selected above
+  through the responsible Ansible modules.
+- With only `narratio_whisperx_transcribe_url` supplied, the rendered pipeline
+  contains that URL and the four role-owned roots, omits unselected optional
+  policy, and is accepted by Narratio's native configuration validator.
+- Each non-null configuration variable renders its corresponding native field.
+  Null fields and empty parent sections are omitted, while intentional falsey
+  values are retained.
+- Caller-supplied open-ended collections are rendered without structural
+  rewriting, and independently defined values can be composed before
+  assignment.
+- A changed checkout or missing binary causes the imperative build to run. An
+  immediate repeated application with unchanged inputs reports no changes.
+- Dependency opt-out accepts a caller-supplied `narratio_go_binary`.
+- Root-owned operations use task-level privilege escalation; play-level
+  escalation is not required.
+- Defaults, argument specifications, template behavior, README, and metadata
+  remain aligned with the public interface.
+- Production tasks contain no role-private state, redundant probes,
+  application self-tests, or speculative guarantees.
+- No repository other than `ansible-role-narratio` and the workspace control
+  repository is modified.
+
+### Required Validation
+
+- Syntax checking and production-profile ansible-lint pass.
+- A baseline invocation supplies only the required WhisperX URL, exercises the
+  installed application by validating the managed pipeline as the Narratio
+  account, and is followed immediately by a role application reporting no
+  changes. It does not snapshot the role's current default tag or complete
+  default document.
+- One explicitly selected-version case requests `v2.0.0` and verifies that
+  `narratio version` reports `v2.0.0`. The assertion proves caller-controlled
+  version selection, not that `v2.0.0` remains the role default.
+- One recovery case removes the binary, disables dependency management,
+  supplies a caller-selected Go executable, confirms that executable is used,
+  and finishes with a clean repeated application.
+- One representative configuration case verifies selected scalar and nested
+  values, selected omissions, intentional falsey values, and composed
+  open-ended collections. Narratio's native `config validate` accepts the
+  managed pipeline, and an immediate repeated application reports no changes.
+- Tests do not assert task names or order, individual task results, exact
+  current defaults, complete configuration snapshots, public-variable counts,
+  trusted-module account, directory, file, package, checkout, or template
+  postconditions, or an exhaustive negative platform matrix.
+
+## Dependencies and Follow-up Work
+
+The managed host requires access to the Narratio Git repository, Ubuntu Snap
+infrastructure, and Go module sources. Useful pipeline execution also requires
+a reachable WhisperX service, the four downstream application binaries and
+their configuration, campaign and session inputs, prompt content, and any
+selected object-storage or model credentials. Those remain caller
+responsibilities for this standalone feature.
+
+After this feature, all five standalone application roles will have stable
+public interfaces. The next unit can design the suite-level pipeline role,
+including dependency composition, compatible version selection, D&D pipeline
+policy, campaign and prompt deployment, secrets, and operator group membership.
+
+## Potential Future Hardening
+
+- Build into a temporary path before replacing the installed executable.
+- Verify source signatures or release artifacts.
+- Detect compiler, build-command, or out-of-band binary changes.
+- Validate configuration during production convergence.
+- Manage imported fragments or profile overlays if a concrete standalone-role
+  use case requires them.
+- Add a scheduler, service, or non-interactive execution environment if later
+  operating requirements select one.
+- Support Narratio's published binary artifacts as part of a future suite-wide
+  installation-model change.
+- Add broader platform coverage only when supported-platform behavior expands.
diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 4b777e5..4a13fbc 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -1,14 +1,413 @@
-# Implementation Plan
+# Implementation Plan 0005: Install and Configure Narratio
 
-Status: pending
+Status: ready
 
-No implementation plan is currently active. Feature 0004 was implemented in
-`ansible-role-scriptorium` commits `90d7f45` and `5944eac`, independently
-reviewed, and finalized by remediation commit `8f47aa8`.
+Target executor: GPT-5.6-Terra
 
-Its durable scope and rationale remain in
-[the Feature 0004 roadmap](features/0004-scriptorium-source-installation-and-configuration.md),
-and its final review record remains in [the remediation record](remediation.md).
+Feature roadmap:
+[Feature 0005: Narratio Source Installation and Configuration](features/0005-narratio-source-installation-and-configuration.md)
 
-Select and approve the next unit of work before replacing this notice with a
-new staged implementation plan.
+Active plan location: `docs/roadmap/implementation.md`
+
+## Objective
+
+Implement the independently usable `rakestraw.narratio` role defined by
+Feature 0005. Install Narratio from its pinned source release, build its
+executable on the managed host, create its application account and managed
+filesystem roots, and render its native root pipeline configuration through
+the approved field-specific interface.
+
+The feature roadmap remains authoritative for scope, rationale, target end
+state, public variables, ownership, modes, and acceptance criteria.
+
+## Execution Rules
+
+- Execute Stage 1 and Stage 2 in numeric order.
+- Immediately before each stage, read every document in that stage's Required
+  Policy Review, then confirm its preconditions and the owning repository's
+  working-tree state.
+- Modify only `ansible-role-narratio`. Treat this workspace, `../narratio`,
+  `rakestraw-ansible`, and every other repository as read-only during
+  out-of-band implementation.
+- Preserve unrelated changes. Stop if the role repository is unexpectedly
+  dirty at a stage boundary.
+- Start from the feature roadmap's ten-step module-driven task flow. Trust
+  `apt`, Snap, `group`, `user`, `file`, `git`, and `template` to inspect and
+  converge the state they own.
+- Inspect only whether the binary exists because that result is independently
+  required to decide whether the imperative build command must run.
+- Put checkout change and binary absence directly on the build task. Do not
+  introduce another fact, handler, fingerprint, checksum, manifest, or
+  role-private state.
+- Do not execute Narratio from production role tasks. Native version and
+  configuration verification belong only in the integration suite.
+- Render configuration with one template task. Use `is not none`, omit empty
+  parent sections, preserve falsey non-null values, and serialize values with
+  filters rather than manual YAML quoting.
+- Treat each roadmap-designated open-ended collection as one caller-supplied
+  native value. Do not define variables for caller-selected keys or implement
+  role-side loading, merging, or precedence.
+- Require a WhisperX transcription URL. Do not invent a default endpoint or
+  weaken the upstream requirement.
+- Exercise the role through public variables and native application outcomes.
+  Do not assert current default values, task traces, or state already
+  guaranteed by trusted modules.
+- Use fully qualified collection names and `argv` for command execution.
+- Run each stage's validation before committing it. Do not begin Stage 2 if
+  Stage 1 fails validation.
+- Commit each completed stage with its specified plain-English message. Do not
+  push.
+- Treat the currently absent managed source, binary, pipeline file, account,
+  and default directory roots as disposable integration state. Never delete
+  caller content under those roots during testing. Restore the baseline role
+  deployment through test cleanup.
+
+## Starting State and Preconditions
+
+- `ansible-role-narratio` is clean on `main` at
+  `b97a317f9ec9f15675e81c65af3f4a1ad8176886`, tracking `origin/main` without
+  divergence.
+- This plan, the ready Feature 0005 roadmap, and the corresponding MVP/status
+  updates are committed before out-of-band execution begins.
+- `/usr/local/src/narratio`, `/usr/local/bin/narratio`,
+  `/usr/local/etc/narratio/pipeline.yml`, `/var/lib/narratio`,
+  `/var/spool/narratio`, `/var/cache/narratio`, and
+  `/usr/local/share/narratio/campaigns` are absent before initial execution and
+  contain no user data that must be preserved.
+- The local controller and managed-host proxy are Ubuntu 26.04 `x86_64`, with
+  gathered facts and passwordless task-level privilege escalation available.
+- Workspace tooling is available in `../.venv/bin` from the role repository:
+  Ansible Core 2.21.3 and ansible-lint 26.8.0.
+- `community.general` 13.3.0 and Go Snap channel `1.26/stable` are available.
+- Upstream lightweight tag `v2.0.0` resolves to
+  `ed4623bc415901134c765fe9cf06d59aa7891500` and declares Go 1.26.0.
+- The native build uses package `./cmd/narratio`, `CGO_ENABLED=0`,
+  `GOWORK=off`, `GOTOOLCHAIN=local`, `-trimpath`, and linker flags
+  `-s -w -X gitea.maximumdirect.net/eric/narratio/internal/buildinfo.Version=<version>`.
+- `narratio version` reports the embedded release, and
+  `narratio config validate --config <path>` validates the root pipeline
+  without loading a session or contacting WhisperX when the configuration
+  contains no credential references or campaign-driven artifact families.
+- A pipeline requires an absolute HTTP or HTTPS WhisperX transcription URL.
+  All other values needed by a baseline pipeline are supplied by Narratio's
+  native defaults.
+
+## Repository Scope
+
+Repository that changes:
+
+- `ansible-role-narratio`: role implementation, public interface, account and
+  filesystem management, configuration template, metadata, dependency
+  declaration, README, and repository-local integration suite.
+
+Repositories that may be inspected but must remain unchanged:
+
+- `ansible-workspace-dnd`: authoritative roadmap, plan, policies, and status.
+- `../narratio`: authoritative release, build, CLI, configuration, filesystem,
+  and integration contracts.
+- `rakestraw-ansible`: historical style and deployment reference.
+- Every other repository in `workspace.yml`.
+
+## Stage 1: Implement the Complete Minimal Role
+
+### Objective
+
+Create a complete standalone role that installs Narratio, creates its account
+and managed directories, renders the baseline native pipeline, documents its
+fixed public interface, and demonstrates native validity and clean repeated
+convergence.
+
+### Required Policy Review
+
+Before beginning this stage, read:
+
+- `AGENTS.md`
+- `docs/orientation.md`
+- `docs/conventions.md`
+- `docs/ansible.md`
+- `docs/testing.md`
+
+### Preconditions
+
+- The starting revisions and upstream contracts above remain unchanged.
+- `ansible-role-narratio` has no uncommitted changes.
+- The workspace planning commit containing this plan exists.
+- The managed paths listed in Starting State remain free of data that must be
+  preserved.
+
+### Owning Repository
+
+`ansible-role-narratio`
+
+### Required Changes
+
+1. Retain the existing license and add the conventional role structure:
+   `defaults/main.yml`, `meta/main.yml`, `meta/argument_specs.yml`,
+   `tasks/main.yml`, `templates/pipeline.yml.j2`,
+   `collections/requirements.yml`, `ansible.cfg`, and focused files under
+   `tests/`.
+2. Declare role name `narratio`, namespace `rakestraw`, author Eric Rakestraw,
+   license `CC0-1.0`, Ubuntu 26.04 support, Ansible Core 2.18 or newer, an empty
+   dependency list, and the repository's canonical issue tracker. Pin
+   `community.general` to `13.3.0`.
+3. Define every variable in the Feature 0005 Fixed Public Interface exactly
+   once in role defaults, except the required
+   `narratio_whisperx_transcribe_url`, which has no invented default. Keep the
+   fourteen installation, account, and managed-filesystem defaults concrete.
+   Give every other optional pipeline field the YAML value `null`.
+4. Mirror the complete public interface in `meta/argument_specs.yml`:
+   - mark `narratio_whisperx_transcribe_url` as a required string;
+   - use `path` for source, binary, Go executable, configuration, and managed
+     root paths;
+   - use `bool`, `int`, `float`, `str`, `list`, and `dict` according to each
+     native field's documented shape;
+   - require every concrete installation, account, and filesystem variable;
+     and
+   - leave nullable application settings optional.
+   Do not duplicate Narratio's semantic validation rules or deeply restate its
+   schemas for caller-supplied collections.
+5. Implement one readable `tasks/main.yml` with this flow:
+   1. assert Ubuntu 26.04 and architecture `x86_64` or `aarch64`;
+   2. install Git with `ansible.builtin.apt`, including
+      `cache_valid_time: 3600`, and install the classic Go Snap from
+      `narratio_go_snap_channel` when dependency management is enabled;
+   3. create `narratio_group` as a system group and `narratio_user` as a system
+      account in that group, with `narratio_workspace_root` as its home,
+      `create_home: false`, and `/usr/sbin/nologin` as its shell;
+   4. create source, binary, configuration, runtime, and campaign parent/root
+      directories with the roadmap's ownership and modes using the smallest
+      clear number of `ansible.builtin.file` tasks and item loops;
+   5. check out `narratio_version` with `ansible.builtin.git`, `force: true`,
+      and register its module result;
+   6. inspect only `narratio_binary_path` with `ansible.builtin.stat`;
+   7. build directly to `narratio_binary_path` when the checkout changed or
+      the binary is absent;
+   8. converge recursive root ownership of the source tree and root ownership
+      plus mode `0755` on the binary with `ansible.builtin.file`; and
+   9. render `templates/pipeline.yml.j2` to `narratio_config_path` as
+      `root:{{ narratio_group }}` mode `0640` with one
+      `ansible.builtin.template` task.
+6. Invoke `narratio_go_binary` with `ansible.builtin.command` and `argv` from
+   `narratio_source_dir`. Supply `build`, `-trimpath`, the exact version linker
+   flags, the configured output path, and package `./cmd/narratio`. Set
+   `CGO_ENABLED=0`, `GOWORK=off`, and `GOTOOLCHAIN=local`. Mark the executed
+   mutation changed as required for an imperative command.
+7. Put
+   `narratio_checkout.changed or not narratio_binary.stat.exists` directly on
+   the build task. Register only the Git and binary results needed by that
+   expression.
+8. Use task-level `become: true` for dependency installation, account changes,
+   and tasks that manage privileged state. Do not require play-level privilege
+   escalation.
+9. Make the template always render the required WhisperX URL and the four
+   role-owned filesystem roots. Conditionally emit all other fields from the
+   roadmap interface. Use `is not none` for every optional field, omit parent
+   sections with no selected descendants, preserve non-null falsey values, and
+   serialize strings and collections safely. Do not assemble a configuration
+   dictionary in facts.
+10. Treat ConfigKit imports, publish outputs, Notarius references and outputs,
+    and Scriptorium artifacts and artifact families as complete native caller
+    values. Render them without structural rewriting. Do not load external
+    files or implement merge behavior.
+11. Replace the placeholder README with concise documentation covering the
+    supported platform, fact and privilege requirements, every public variable,
+    required WhisperX URL, dependency opt-out, build triggers, application
+    account, managed directory ownership, configuration discovery path,
+    null-as-omission behavior, falsey values, caller-side composition of native
+    collections, credential-name boundary, externally managed imports and
+    profiles, suite-role boundary, and actual integration-test effects.
+12. Add a baseline integration harness with one `tests/integration` entry
+    point. Use strict shell options, repository-relative paths, a private
+    temporary directory, pinned collection installation, syntax checking,
+    production-profile ansible-lint, and a best-effort cleanup trap that
+    reapplies the baseline role inputs and removes only its private temporary
+    directory.
+13. In the baseline scenario, explicitly supply
+    `narratio_whisperx_transcribe_url` with a syntactically valid local test URL
+    that is never contacted. Converge without play-level escalation, run
+    `narratio config validate --config <managed-path>` as `narratio_user`, and
+    immediately apply the same role again with aggregate `changed=0` and
+    `failed=0`.
+14. Do not inspect account records, directory or file metadata, source commits,
+    package state, the template task result, or the complete rendered document
+    in tests. Those are postconditions of the modules that manage them, not
+    additional role-authored behavior.
+
+### Validation
+
+From `ansible-role-narratio`, run:
+
+```text
+tests/integration
+git diff --check
+git status --short
+```
+
+Expected result: syntax and lint pass; baseline convergence succeeds; Narratio
+validates the managed pipeline while running as its application account; the
+immediate repeat reports `changed=0` and `failed=0`; cleanup leaves a usable
+baseline deployment; and only intended Stage 1 files are modified.
+
+### Completion Criteria
+
+- The fixed public interface is present in defaults and matching argument
+  specifications, with only the deployment-specific WhisperX URL required.
+- Production tasks follow the roadmap flow without additional probes, private
+  state, handlers, or production self-validation.
+- Account and directory management implements the fixed ownership and access
+  boundary without selecting human operators.
+- The template expresses every native root-pipeline field, omits null values
+  and empty optional parents, and preserves non-null falsey values.
+- README, metadata, dependency declaration, task flow, template, and baseline
+  test description agree.
+- Baseline native configuration validation and clean repeated convergence pass.
+- No repository outside `ansible-role-narratio` changes.
+
+### Commit
+
+Commit intent: `Install and configure Narratio`
+
+## Stage 2: Add Focused Behavioral Coverage
+
+### Objective
+
+Add representative coverage for caller-selected release identity,
+missing-binary recovery through caller-owned build tooling, and the complete
+configuration interface's omission, falsey-value, and composition behavior.
+
+### Required Policy Review
+
+Before beginning this stage, read:
+
+- `AGENTS.md`
+- `docs/orientation.md`
+- `docs/conventions.md`
+- `docs/ansible.md`
+- `docs/testing.md`
+
+### Preconditions
+
+- Stage 1 is committed and `ansible-role-narratio` is otherwise clean.
+- Stage 1's complete integration entry point passes.
+- The baseline managed deployment can be restored by applying the role with
+  the test WhisperX URL and no optional application overrides.
+
+### Owning Repository
+
+`ansible-role-narratio`
+
+### Required Changes
+
+1. Retain the baseline native validation and immediate clean repeat. Extend the
+   existing driver rather than introducing another integration framework or
+   shared cross-role test helper.
+2. Make the selected-version behavior explicit in one convergence by setting
+   `narratio_version: v2.0.0`, then execute `narratio version` and require
+   `narratio v2.0.0`. Do not assert or parse the role's default value and do not
+   inspect the Git checkout.
+3. Add one recovery scenario that combines the two related public behaviors:
+   - create an executable temporary wrapper that records its invocation and
+     then delegates to `/snap/bin/go`;
+   - remove `/usr/local/bin/narratio`;
+   - apply the role with `narratio_manage_build_dependencies: false` and
+     `narratio_go_binary` set to that wrapper;
+   - confirm the supplied executable was used;
+   - exercise the installed Narratio with `version` and native configuration
+     validation; and
+   - immediately repeat with the same inputs and require aggregate
+     `changed=0` and `failed=0`.
+4. Add one representative configuration scenario using a small valid subset
+   spanning direct and nested fields. Include selected zero, false, empty
+   string, empty list, or empty mapping values where Narratio accepts them,
+   selected null fields that must remain absent, and at least one open-ended
+   collection assembled from independently defined inventory/play variables
+   before assignment.
+5. Keep the representative pipeline independent of external services,
+   credentials, imported files, profile overlays, sessions, and campaigns.
+   Choose collection entries valid under the upstream `v2.0.0` contract and
+   avoid artifact families, which require campaign-owned party input during
+   native validation.
+6. Parse the rendered authoring YAML and assert only representative
+   role-authored mappings: selected fields are present at their correct native
+   paths, selected null fields and their otherwise-empty parents are absent,
+   intentional falsey values survive, and the composed collection retains its
+   caller-supplied entries. Place any decoded-document expression directly in
+   the assertion task's `vars`; do not add a separate assembly or verification
+   fact.
+7. Run `narratio config validate --config <managed-path>` as `narratio_user`
+   for native acceptance without a network request. Immediately repeat the
+   representative convergence with identical public inputs and require
+   aggregate `changed=0` and `failed=0`.
+8. Keep the cleanup trap responsible for restoring the baseline deployment on
+   success or failure when possible. Test mutation is limited to the declared
+   role-managed paths and the driver's private temporary directory; do not
+   delete or replace content below a runtime or campaign root.
+9. Do not add a second release, task-name grep, change-count requirement for
+   mutating runs, metadata-repair scenario, unsupported-platform matrix,
+   service invocation, full configuration snapshot, or exhaustive case for
+   every variable.
+10. Update the README validation section so it describes only the implemented
+    static checks, baseline native validation and clean repeat,
+    selected-version assertion, combined recovery case, and representative
+    configuration case.
+
+### Validation
+
+From `ansible-role-narratio`, run:
+
+```text
+tests/integration
+git diff --check
+git status --short
+```
+
+Expected result: static validation and all behavioral paths pass; the selected
+release reports `v2.0.0`; the supplied Go wrapper is observed during
+missing-binary recovery; Narratio natively accepts both baseline and
+representative managed pipelines as its application account; the specified
+repeat runs report `changed=0` and `failed=0`; cleanup restores a usable
+baseline deployment; and only intended Stage 2 test and documentation changes
+remain.
+
+### Completion Criteria
+
+- One explicitly selected-version case proves caller-controlled source release
+  installation through Narratio's native version output.
+- One recovery scenario proves both missing-binary rebuilding and use of the
+  caller-selected Go executable, followed by clean convergence.
+- One representative configuration proves selected field mapping, null
+  omission, falsey-value preservation, caller-side collection composition,
+  native acceptance, application-account access, and clean convergence.
+- No test snapshots mutable defaults, inspects task traces, or rechecks
+  postconditions owned by trusted modules.
+- The complete integration entry point passes and its README description is
+  accurate.
+- No repository outside `ansible-role-narratio` changes.
+
+### Commit
+
+Commit intent: `Add focused Narratio integration coverage`
+
+## Final Validation and Handoff
+
+After Stage 2, from `ansible-role-narratio`, run:
+
+```text
+tests/integration
+git log --oneline -2
+git status --short --branch
+cd ..
+./scripts/status
+```
+
+Report both role commit hashes, static and behavioral validation results,
+clean-repeat evidence, the restored baseline deployment, any deviation or
+remaining concern, and any complexity beyond the planned task flow with the
+acceptance criterion that required it.
+
+Do not edit workspace planning files, mark Feature 0005 `done`, or push during
+out-of-band implementation. Completion requires subsequent independent review.
+
+## Progress Notes
+
+- No stages completed.
diff --git a/docs/roadmap/mvp.md b/docs/roadmap/mvp.md
index f0bbd6f..e3e7056 100644
--- a/docs/roadmap/mvp.md
+++ b/docs/roadmap/mvp.md
@@ -176,18 +176,48 @@ application-role releases in one source repository.
 
 ### Accounts, ownership, and operator access
 
-- The roles create a dedicated `narratio` user and `narratio` group as needed.
+- The standalone Narratio role creates a dedicated system `narratio` user and
+  `narratio` group. The account uses `/var/lib/narratio` as its default home
+  and has a non-login shell.
 - The `narratio` account owns Narratio's writable runtime directories.
 - Application source trees and installed binaries are owned by `root` and are
   not writable by operators or the runtime account.
 - Ordinary human users run `narratio run` and other Narratio commands directly.
 - Those operators receive the required access by membership in the `narratio`
   group.
-- Managed configuration should be owned by `root`, readable by the `narratio`
-  group where needed, and remain under Ansible control rather than being
-  routinely edited by operators on the host.
-- Shared runtime directories must grant the `narratio` group the write access
-  needed for direct operator invocations.
+- Narratio's configuration directory is owned by `root:narratio` with mode
+  `0750`, and its pipeline file is owned by `root:narratio` with mode `0640`.
+  Configuration remains under Ansible control rather than being routinely
+  edited by operators on the host.
+- The Narratio workspace, spool, and cache roots are owned by
+  `narratio:narratio` with mode `2775`, preserving the group on created content
+  and granting the shared write access needed for direct operator invocations.
+- The campaign registry root is owned by `root:narratio` with mode `0755`.
+  Its content is readable by operators but is populated by the suite role and
+  is not edited directly on the managed host.
+- The standalone role does not select human operators. The suite role owns the
+  operator list and adds those accounts to the `narratio` group.
+
+### Narratio configuration
+
+- The standalone Narratio role manages the canonical root pipeline document
+  at `/usr/local/etc/narratio/pipeline.yml` through a field-specific public
+  variable interface.
+- The role requires a caller-supplied WhisperX transcription URL because the
+  field is required by Narratio and has no valid universal deployment value.
+- Filesystem roots managed by the role have concrete defaults and are rendered
+  so application configuration agrees with managed host state. Other optional
+  application fields default to null, are omitted from the rendered document,
+  and inherit Narratio's built-in defaults.
+- Native open-ended collections such as publish outputs, Notarius references
+  and outputs, and Scriptorium artifacts and artifact families are exposed as
+  complete fields. Callers may compose their final values in inventory; the
+  role does not add merge or precedence behavior.
+- The root document may name ConfigKit imports, but the standalone role does
+  not manage imported fragments or profile overlays. A caller that selects
+  them owns their deployment.
+- Credential fields contain environment-variable names, never secret values.
+  Secret delivery remains suite-level policy.
 
 ### Execution model
 
@@ -237,16 +267,12 @@ remain to be designed.
 
 The following areas require investigation and decisions before implementation:
 
-- Exact application repository URLs, default release tags, build commands,
-  version-injection flags, and validation commands
 - Standalone role Galaxy names and the dependency-manifest/bootstrap layout
 - The mechanism used to incorporate the independently developed pipeline role
   into collection releases
-- Narratio's application configuration contract and runtime filesystem
-  requirements
 - The prompt-library destination and its integration with Scriptorium
 - Secret injection and storage
-- Operator-group membership variables and directory permission details
+- Suite-level operator-selection variables
 - Upgrade, downgrade, and removal behavior
 - Collection bootstrap and end-to-end validation details beyond the locked
   dependency and testing policies above
diff --git a/docs/status.md b/docs/status.md
index 26c6de3..22907b0 100644
--- a/docs/status.md
+++ b/docs/status.md
@@ -4,7 +4,7 @@ Last updated: 2026-09-09
 
 Current milestone: MVP standalone application roles
 
-Current focus: Select the next unit of work.
+Current focus: Implement Feature 0005 for the standalone Narratio role.
 
 | ID | Deliverable | Owner | State | Evidence or next step |
 | --- | --- | --- | --- | --- |
@@ -14,13 +14,14 @@ Current focus: Select the next unit of work.
 | M0-04 | Aggregate repository status | workspace | done | `scripts/status` created |
 | M0-05 | Suite-level role repository | ansible-role-dnd-pipeline | done | Repository created and added to `workspace.yml` |
 | M1-01 | Remaining MVP design decisions | workspace | done | Feature 0003 roadmap fixes the Notarius configuration interface |
-| M1-02 | Standalone application roles | role repositories | in_progress | Select the Narratio standalone-role feature |
+| M1-02 | Standalone application roles | role repositories | in_progress | Implement and review Feature 0005 |
 | M1-03 | Suite-level pipeline role | ansible-role-dnd-pipeline | proposed | Begin after standalone role interfaces stabilize |
 | M1-04 | Collection assembly | ansible-collection-dnd | proposed | Select and implement the pipeline-role incorporation mechanism |
 | F0001 | Install Seriatim from pinned source | ansible-role-seriatim | done | Implementation, integration coverage, and final remediation completed through `fb8dc41` |
 | F0002 | Install and configure Audita | ansible-role-audita | done | Field-specific configuration completed in `e61f02f` and `847c4c3`; full suite passed |
 | F0003 | Install and configure Notarius | ansible-role-notarius | done | Implemented and validated through remediation commit `eb4f511` |
 | F0004 | Install and configure Scriptorium | ansible-role-scriptorium | done | Implemented and validated through remediation commit `8f47aa8` |
+| F0005 | Install and configure Narratio | ansible-role-narratio | ready | Execute `docs/roadmap/implementation.md` |
 | A0001 | Audit completed standalone-role test suites | workspace and standalone roles | done | Findings recorded in `docs/roadmap/test-suite-audit-findings.md` |
 | R0001 | Simplify completed standalone-role test suites | workspace and standalone roles | done | Role commits `e08c63c`, `d2d0b9d`, and `cfecf37` passed implementation and independent review |