feat: Publish ObjectNodeSchema

[CraigMacomber]

Description

This tweaks how ObjectNodeSchema is used so it can work with objectRecursive, then makes it public.

This provides much better access to field schema, which us very useful when implementing logic like schema dependency inversions (where the set of schema allowed in a field might not be known at compile time) or generic node processing (where which schema a node has isn't know at compile time).

This API has been very useful internally, and as we support more cases where the schema is unknown at compile time, this is starting to be useful externally as well.

Reviewer Guidance

The review process is outlined on this wiki page.

[github-actions]

🔗 No broken links found! ✅

Your attention to detail is admirable.

linkcheck output

> [email protected] ci:linkcheck /home/runner/work/FluidFramework/FluidFramework/docs
> start-server-and-test ci:start 1313 linkcheck:full

1: starting server using command "npm run ci:start"
and when url "[ 'http://127.0.0.1:1313' ]" is responding with HTTP status code 200
running tests using command "npm run linkcheck:full"


> [email protected] ci:start
> http-server ./public --port 1313 --silent


> [email protected] linkcheck:full
> npm run linkcheck:fast -- --external


> [email protected] linkcheck:fast
> linkcheck http://localhost:1313 --skip-file skipped-urls.txt --external

Crawling...

Stats:
  443752 links
    3414 destination URLs
       2 URLs ignored
       0 warnings
       0 errors

[msfluid-bot]

Code Coverage Summary

↑ packages.dds.tree.src.simple-tree.api:
Line Coverage Change: 0.01%    Branch Coverage Change: No change

Metric Name	Baseline coverage	PR coverage	Coverage Diff
Branch Coverage	88.76%	88.76%	→ No change
Line Coverage	82.35%	82.36%	↑ 0.01%

↑ packages.dds.tree.src.simple-tree:
Line Coverage Change: 0.03%    Branch Coverage Change: 0.01%

Metric Name	Baseline coverage	PR coverage	Coverage Diff
Branch Coverage	94.07%	94.08%	↑ 0.01%
Line Coverage	97.23%	97.26%	↑ 0.03%

---

Baseline commit: 9485e13
Baseline build: 306922
Happy Coding!!

Code coverage comparison check passed!!

[msfluid-bot]

⯅ @fluid-example/bundle-size-tests: +245 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	465.72 KB	465.75 KB	⯅ +35 Bytes
azureClient.js	563.04 KB	563.09 KB	⯅ +49 Bytes
connectionState.js	724 Bytes	724 Bytes	■ No change
containerRuntime.js	262.34 KB	262.35 KB	⯅ +14 Bytes
fluidFramework.js	426.99 KB	427.01 KB	⯅ +14 Bytes
loader.js	134.18 KB	134.19 KB	⯅ +14 Bytes
map.js	42.71 KB	42.71 KB	⯅ +7 Bytes
matrix.js	149.84 KB	149.85 KB	⯅ +7 Bytes
odspClient.js	528.83 KB	528.88 KB	⯅ +49 Bytes
odspDriver.js	97.88 KB	97.9 KB	⯅ +21 Bytes
odspPrefetchSnapshot.js	42.81 KB	42.83 KB	⯅ +14 Bytes
sharedString.js	165.77 KB	165.78 KB	⯅ +7 Bytes
sharedTree.js	417.45 KB	417.46 KB	⯅ +7 Bytes
Total Size	3.37 MB	3.37 MB	⯅ +245 Bytes

---

Baseline commit: 9485e13

Generated by 🚫 dangerJS against b2d85ce

Copilot reviewed 5 out of 20 changed files in this pull request and generated no suggestions.

Files not reviewed (15)

• packages/dds/tree/api-report/tree.legacy.public.api.md: Evaluated as low risk
• packages/dds/tree/src/simple-tree/api/tree.ts: Evaluated as low risk
• packages/dds/tree/src/simple-tree/objectNode.ts: Evaluated as low risk
• packages/dds/tree/src/index.ts: Evaluated as low risk
• packages/dds/tree/src/simple-tree/index.ts: Evaluated as low risk
• packages/dds/tree/src/simple-tree/api/schemaFactory.ts: Evaluated as low risk
• packages/dds/tree/src/simple-tree/objectNodeTypes.ts: Evaluated as low risk
• packages/dds/tree/src/test/simple-tree/api/schemaFactory.spec.ts: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.alpha.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.legacy.alpha.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.beta.api.md: Evaluated as low risk
• packages/dds/tree/api-report/tree.public.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.legacy.public.api.md: Evaluated as low risk
• packages/framework/fluid-framework/api-report/fluid-framework.public.api.md: Evaluated as low risk
• packages/dds/tree/api-report/tree.alpha.api.md: Evaluated as low risk

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