[api_summary] Alphabetize meta annotation getters, models, and JSON serialization

[kevmoo]

Alphabetize contractual package:meta annotation getters, models, toJson serialization keys, and api.txt parentheticals for consistency and canonical output.

[github-actions]

Package publishing

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Package	Version	Status	Publish tag (post-merge)
package:api_summary	0.1.0-wip	WIP (no publish necessary)
package:bazel_worker	1.1.5	already published at pub.dev
package:benchmark_harness	2.4.0	already published at pub.dev
package:boolean_selector	2.1.2	already published at pub.dev
package:browser_launcher	1.2.0-wip	WIP (no publish necessary)
package:cli_config	0.2.1-wip	WIP (no publish necessary)
package:cli_util	0.5.2	already published at pub.dev
package:clock	1.1.3-wip	WIP (no publish necessary)
package:code_builder	4.12.0-wip	WIP (no publish necessary)
package:coverage	1.16.0-wip	WIP (no publish necessary)
package:csslib	1.0.2	already published at pub.dev
package:extension_discovery	2.1.0	already published at pub.dev
package:file	7.0.2-wip	WIP (no publish necessary)
package:file_testing	3.1.0-wip	WIP (no publish necessary)
package:glob	2.1.4-wip	WIP (no publish necessary)
package:graphs	2.4.0-wip	WIP (no publish necessary)
package:html	0.15.7-wip	WIP (no publish necessary)
package:io	1.1.0-wip	WIP (no publish necessary)
package:json_rpc_2	4.1.0	already published at pub.dev
package:markdown	7.4.0	ready to publish	markdown-v7.4.0
package:mime	2.1.0-wip	WIP (no publish necessary)
package:oauth2	2.0.5	already published at pub.dev
package:package_config	3.0.0	already published at pub.dev
package:pool	1.5.3-wip	WIP (no publish necessary)
package:process	5.0.5	(error) pubspec version (5.0.5) and changelog (5.0.6-wip) don't agree
package:pub_semver	2.2.1-wip	WIP (no publish necessary)
package:pubspec_parse	1.6.0-wip	WIP (no publish necessary)
package:source_map_stack_trace	2.1.3-wip	WIP (no publish necessary)
package:source_maps	0.10.14	ready to publish	source_maps-v0.10.14
package:source_span	1.10.2	already published at pub.dev
package:sse	4.2.1-wip	WIP (no publish necessary)
package:stack_trace	1.12.2-wip	(error) pubspec version (1.12.2-wip) and changelog (1.12.2-dev) don't agree
package:stream_channel	2.1.4	already published at pub.dev
package:stream_transform	2.1.2-wip	WIP (no publish necessary)
package:string_scanner	1.4.2-wip	WIP (no publish necessary)
package:term_glyph	1.2.3-wip	WIP (no publish necessary)
package:test_reflective_loader	0.6.0	ready to publish	test_reflective_loader-v0.6.0
package:timing	1.0.2	already published at pub.dev
package:unified_analytics	8.0.16	already published at pub.dev
package:watcher	1.2.2-wip	WIP (no publish necessary)
package:yaml	3.1.4-wip	WIP (no publish necessary)
package:yaml_edit	2.2.4	already published at pub.dev

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

[gemini-code-assist]

Code Review

This pull request refactors the codebase to consistently sort and order fields, parameters, JSON/YAML properties, and extension getters alphabetically across multiple files. This improves code readability and maintainability. I have no feedback to provide.

[github-actions]

PR Health

Unused Dependencies ✔️

Package	Status
api_summary	✔️ All dependencies utilized correctly.

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Breaking changes ✔️

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API leaks ✔️

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Changelog Entry ✔️

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License Headers ✔️

// Copyright (c) 2026, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

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Coverage ✔️

File	Coverage
pkgs/api_summary/lib/src/api_builder.dart	💚 98 %
pkgs/api_summary/lib/src/api_declaration.dart	💚 100 %
pkgs/api_summary/lib/src/extensions.dart	💚 54 %
pkgs/api_summary/lib/src/text_renderer.dart	💚 98 %

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