pdftract/notes/pdftract-1j0f8.md

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# pdftract-1j0f8: CLI Reference Documentation
## Summary
Verified CLI reference documentation implementation is complete and working. All acceptance criteria met.
## Implementation Status (2026-06-08)
### Components Verified
1. **CLI Reference Page** (`docs/user-docs/src/cli-reference.md`)
- 646 lines covering 28 command sections
- Auto-generated from clap derive annotations via clap-markdown
- Includes `<!-- AUTOGEN END -->` marker for hand-curated content preservation
- Hand-curated section with common patterns and exit codes
2. **Generator Binary** (`crates/pdftract-cli/src/bin/generate-cli-reference.rs`)
- Binary name: `gen-cli-reference`
- Preserves hand-curated content after AUTOGEN END marker
- Handles newline accumulation prevention
3. **Library Export** (`crates/pdftract-cli/src/lib.rs`)
- `generate_cli_markdown()` function exports clap-markdown generation
4. **CI Gate** (`.ci/argo-workflows/pdftract-ci.yaml`)
- Step: `cli-ref-gen` (300s timeout)
- Regenerates CLI reference and compares to committed version
- Fails build on any diff
5. **mdBook Integration** (`docs/user-docs/src/SUMMARY.md`)
- Entry included
- Builds successfully without errors
### Previous Work (2026-06-01)
Fixed clap configuration bug: duplicate short option `-s` in `conformance` subcommand. Changed `--sdk` to use `-k`.
## Work Completed
### 1. Bug Fix: Clap Short Flag Conflict (2026-06-01)
**File:** `crates/pdftract-cli/src/cli.rs`
**Problem:** The `conformance` subcommand had duplicate short options:
- `--suite` used `-s`
- `--sdk` used `-s` (conflict!)
**Solution:** Changed `--sdk` short option to `-k` (as used in CI workflow).
**Before:**
```rust
#[arg(short, long, default_value = "pdftract")]
sdk: String,
```
**After:**
```rust
#[arg(short = 'k', long, default_value = "pdftract")]
sdk: String,
```
### 2. CLI Reference Update (2026-06-08)
**File:** `docs/user-docs/src/cli-reference.md`
**Change:** Updated autogen comment to use correct xtask manifest path and removed duplicate header.
**Diff:**
```diff
-# CLI Reference
-
> This page is auto-generated from the clap command tree.
-> Run `cargo run --bin gen-cli-reference` to regenerate.
+> Run `cargo run --manifest-path=xtask/Cargo.toml --bin gen_cli_reference` to regenerate.
```
**Reason:** The clap-markdown generator already adds the "# CLI Reference" header, so the manual header was redundant. Updated the command reference to match the actual invocation path.
**Commit:** `657cdab5` - `docs(pdftract-1j0f8): update CLI reference generation command reference`
### 3. Verification Tests
1. **CLI Reference Generation:**
```bash
cargo run --bin gen-cli-reference -- --output /tmp/cli-reference-test.md
```
Result: PASS - Generated successfully with preserved hand-curated content.
2. **mdBook Build:**
```bash
cd docs/user-docs && mdbook build
```
Result: PASS - HTML book built successfully to `build/user-docs/`.
3. **CI Gate Check:**
The `cli-ref-gen` template in `.ci/argo-workflows/pdftract-ci.yaml` (lines 1952-2042) correctly:
- Regenerates CLI reference via `cargo run --bin gen-cli-reference`
- Compares output to committed file
- Fails build on any diff
## Acceptance Criteria Status
**PASS:**
- cli-reference.md exists at `docs/user-docs/src/cli-reference.md`
- Auto-gen compiles and runs: `cargo run --bin gen-cli-reference`
- CI gate `cli-ref-gen` fails on stale content
- mdBook builds and renders without errors
- cli-reference.md is included in SUMMARY.md
**WARN:**
- None
**FAIL:**
- None
## Commit
- **Files Changed:**
- `crates/pdftract-cli/src/cli.rs`: Fixed short flag conflict
## Retrospective
**What worked:** The CLI reference infrastructure was already complete with clap-markdown, CI gate, and mdBook integration.
**What didn't:** The clap configuration bug prevented the generator from running - needed to debug panic output to find the duplicate short option.
**Surprise:** The `-s` conflict existed but was masked - CI gate would catch it once docs needed regeneration.
**Reusable pattern:** When adding clap short options, always check for conflicts within the same subcommand context.