feat: add JSON output to render command (12.11)

[josecelano]

Summary

Implements roadmap task 12.11 — adds JSON output format support to the render command.

Changes

New Files (4)

• src/presentation/cli/views/commands/render/mod.rs — module wiring following Strategy Pattern
• src/presentation/cli/views/commands/render/view_data/render_details.rs — RenderDetailsData DTO with from_result() constructor
• src/presentation/cli/views/commands/render/views/json_view.rs — JsonView (5 unit tests)
• src/presentation/cli/views/commands/render/views/text_view.rs — TextView preserving existing output style (4 unit tests)

Modified Files (4)

• src/presentation/cli/views/commands/mod.rs — added pub mod render;
• src/presentation/cli/controllers/render/handler.rs — added output_format param to execute(), replaced show_success() with complete_workflow() view dispatch, removed unused user_output struct field
• src/presentation/cli/dispatch/router.rs — reads and passes output_format to execute()
• docs/user-guide/commands/render.md — added JSON Output section with example and field table

JSON Output

{
  "environment_name": "my-environment",
  "config_source": "Config file: envs/my-environment.json",
  "target_ip": "192.168.1.100",
  "output_dir": "/tmp/build/my-environment"
}

Verification

• ✅ 422 tests pass (5 new)
• ✅ All linters pass (cargo run --bin linter all)
• ✅ cargo machete — no unused dependencies
• ✅ cargo doc — no rustdoc errors

Related

• Closes Add JSON output to render command (12.11) #392
• Parent Epic EPIC: Add JSON output format support #348

[josecelano]

ACK 2acceaf