feat: Shell route templates with {param} path parameters#35110

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mattleibow/shell-route-templates-spec

Commits on May 21, 2026

Shell route templates: spec + standalone prototype (28 passing tests)

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feat: Shell route templates with {param} path parameters

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fix: address review feedback — reject unsupported syntax, fix param loss, add 9 new tests

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feat: optional params, catch-all, constraints, mixed segments, default values

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test: add 19 combination tests for full feature coverage

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fix: address review round 2 — parser bugs, validation, and missing tests

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fix: review round 3 — template lookup bypass, SetRoute mutation, FullUri tokens

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fix: review round 4 — IL2111 trimmer, stale ResolvedRoute, intermediate params, FullUri

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fix: review round 5 — strengthen tests, modal reuse path, prefixed param precedence

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fix: CS8618 nullable warnings in Sandbox pages breaking CI Samples tests

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