feat: add (De)Serialize and JsonSchema to Html

[m4tx]

No description provided.

[Copilot]

Pull request overview

Adds Serde support to the core Html newtype so it can be serialized/deserialized as a plain string (transparent newtype), aligning Html with other data types that can be passed through JSON or other Serde-based formats.

Changes:

• Import serde::{Serialize, Deserialize} in cot-core/src/html.rs.
• Derive Serialize and Deserialize for Html.
• Mark Html as #[serde(transparent)] so it serializes identically to a String.

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[github-actions]

Bencher Report

Branch	html-serde
Testbed	github-ubuntu-latest

Click to view all benchmark results

Benchmark	Latency	Benchmark Result microseconds (µs) (Result Δ%)	Upper Boundary microseconds (µs) (Limit %)
empty_router/empty_router	📈 view plot 🚷 view threshold	5,785.40 µs (-2.17%) Baseline: 5,913.99 µs	7,047.89 µs (82.09%)
json_api/json_api	📈 view plot 🚷 view threshold	1,015.60 µs (-0.15%) Baseline: 1,017.11 µs	1,159.76 µs (87.57%)
nested_routers/nested_routers	📈 view plot 🚷 view threshold	937.03 µs (-0.08%) Baseline: 937.75 µs	1,064.06 µs (88.06%)
single_root_route/single_root_route	📈 view plot 🚷 view threshold	907.47 µs (+0.98%) Baseline: 898.68 µs	1,021.85 µs (88.81%)
single_root_route_burst/single_root_route_burst	📈 view plot 🚷 view threshold	16,728.00 µs (-4.47%) Baseline: 17,510.63 µs	20,719.94 µs (80.73%)

🐰 View full continuous benchmarking report in Bencher

[Copilot]

Pull request overview

Copilot reviewed 3 out of 4 changed files in this pull request and generated no new comments.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Flag	Coverage Δ
rust	89.64% <ø> (-0.01%)	⬇️

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Files with missing lines	Coverage Δ
cot-core/src/html.rs	97.44% <ø> (ø)

... and 1 file with indirect coverage changes

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