Finish render rollout with markdown publish defaults, analyze guidance, and docs updates

docs/integrations/seriatim.md

@@ -1,7 +1,7 @@
 # Integration: Seriatim
 
 ## Purpose
-Define the Seriatim adapter contract used by `merge`, `normalize`, and `trim`.
+Define the Seriatim adapter contract used by `merge`, `normalize`, `trim`, and `render`.
 
 ## Adapter Boundary
 Interface:
@@ -10,6 +10,7 @@ Interface:
   - `Run(ctx, MergeRequest)`
   - `Normalize(ctx, NormalizeRequest)`
   - `Trim(ctx, TrimRequest)`
+  - `Render(ctx, RenderRequest)`
 
 Primary implementation:
 - `internal/adapters/seriatim/SubprocessRunner`
@@ -18,11 +19,13 @@ Execution modes:
 - `seriatim merge`
 - `seriatim normalize`
 - `seriatim trim`
+- `seriatim render`
 
 ## Request/Result Contracts
 - `MergeRequest`/`MergeResult`: multi-input merge to base transcript, optional report.
 - `NormalizeRequest`/`NormalizeResult`: transcript normalization with explicit schema.
 - `TrimRequest`/`TrimResult`: transcript trimming with required keep selector.
+- `RenderRequest`/`RenderResult`: transcript-to-markdown rendering with explicit format and render booleans.
 
 Results include output/log/config paths, timing, exit code, and metadata.
 
@@ -36,9 +39,11 @@ Runner construction validates:
 Invocation fails on:
 - missing required request paths/inputs;
 - invalid normalize schema override;
+- unsupported render format;
 - subprocess failure;
-- invalid JSON outputs;
-- missing `segments` array for normalize/trim transcript outputs.
+- invalid JSON outputs for merge/normalize/trim;
+- missing `segments` array for normalize/trim transcript outputs;
+- empty render output files.
 
 When report paths are provided/enabled, report files must parse as JSON.
 
@@ -49,7 +54,7 @@ When report paths are provided/enabled, report files must parse as JSON.
 - adapter does not write manifests or choose stage inputs.
 
 ## Config Mapping
-Config fields consumed through runner/stage wiring are under `pipeline.seriatim.*`.
+Config fields consumed through runner/stage wiring are under `pipeline.seriatim.*` and `pipeline.render.*`.
 
 Maintained examples with Seriatim config:
 - `examples/pipeline.full.annotated.yml`