Refine render documentation for required flags and workflow examples

docs/cli.md

@@ -156,6 +156,7 @@ Flags:
 - Input must be a valid existing seriatim output artifact (`seriatim-minimal`, `seriatim-intermediate`, or `seriatim-full`).
 - Raw WhisperX-style JSON is rejected.
 - `render` does not execute merge/trim/normalize transformations.
+- `render` has no `--report-file` output in the current implementation.
 - Markdown output is deterministic for the same input artifact and render flags.
 - Category names are not printed directly; `background`, `backchannel`, and `filler` only influence italics.
 

docs/config.md

@@ -25,7 +25,8 @@ For `trim`:
 
 ## Render format and defaults
 
-`render` requires `--format`. Current supported value is `markdown`.
+`render` requires `--input-file`, `--output-file`, and `--format`.
+Current supported format value is `markdown`.
 
 Render defaults:
 

docs/operations.md

@@ -93,8 +93,8 @@ Example:
 
 ```sh
 go run ./cmd/seriatim render \
-  --input-file normalized.json \
-  --output-file transcript.md \
+  --input-file examples/render/input-intermediate.json \
+  --output-file /tmp/seriatim-example-render.md \
   --format markdown
 ```