add experimental/smart-session

[KannuSingh]

Description

• Create new experimental/smart-session package, and implement grantPermissions method as per the spec
• includes changes on ether, wagmi and universal adapter client to support grantPermissions and getCapabilities
• Change lab implementation to use the new package @reown/experimental/smart-session instead of custom implementation

Type of change

• Chore (non-breaking change that addresses non-functional tasks, maintenance, or code quality improvements)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Associated Issues

For Linear issues: Closes APKT-xxx
For GH issues: closes #...

Showcase (Optional)

If there is a UI change include the screenshots with before and after state.
If new feature is being introduced, include the link to demo recording.

Checklist

• Code in this PR is covered by automated tests (Unit tests, E2E tests)
• My changes generate no new warnings
• I have reviewed my own code
• I have filled out all required sections
• I have tested my changes on the preview link
• Approver of this PR confirms that the changes are tested on the preview link

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[changeset-bot]

⚠️ No Changeset found

Latest commit: e8766c5

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[github-actions]

Coverage Report for Coverage

Status	Category	Percentage	Covered / Total
🔵	Lines	321.53000000000003%	4409 / 19231
🔵	Statements	321.53000000000003%	4409 / 19231
🔵	Functions	343.60999999999996%	346 / 1029
🔵	Branches	380.2%	636 / 1326

File Coverage

File	Stmts	% Branch	% Funcs	% Lines	Uncovered Lines
Changed Files
packages/appkit/src/tests/mocks/UniversalProvider.ts	100%	100%	100%	100%
packages/appkit/src/universal-adapter/client.ts	52.94%	46.55%	48.57%	52.94%	108-112, 130-131, 134, 139-140, 142-144, 153-157, 159-161, 163-165, 167-169, 171-176, 178, 180-189, 191, 193-196, 198-203, 205, 207, 209-212, 225-227, 236-238, 240-242, 244-247, 249-250, 266, 268-270, 272-279, 281-282, 285-288, 290-291, 320-325, 329-334, 344, 346-349, 355-360, 362-363, 366-367, 369-378, 380, 382-383, 400-401, 403-408, 436-437, 439, 444-445, 467-468, 480-483, 485, 487-489, 492-495, 499-500, 502-519, 521-522, 524-527, 565-569, 574-577, 594-595, 607-609, 611-632, 649-650, 652-656
packages/appkit/src/utils/HelpersUtil.ts	100%	90.9%	100%	100%
packages/core/src/controllers/ConnectionController.ts	47.59%	83.33%	24%	47.59%	75-79, 86-87, 93-96, 98-99, 101-102, 104-106, 108-123, 143-145, 148-164, 167-168, 171-172, 175-176, 179-180, 183-184, 187-188, 191-192, 195-196, 199-200, 203-204, 221-222, 225-227, 230-231, 234-235, 238-239, 248-249
packages/experimental/exports/index.ts	100%	100%	100%	100%
packages/experimental/exports/smart-session/index.ts	0%	0%	0%	0%	1
packages/experimental/src/smart-session/grantPermissions.ts	80.72%	52.38%	100%	80.72%	42-43, 50-51, 103-104, 112-113, 117-118, 121-123, 131-132, 140
packages/experimental/src/smart-session/helper/index.ts	85.39%	72.72%	100%	85.39%	21-22, 102, 126-127, 132-133, 136-137, 142-143, 146-147
packages/experimental/src/smart-session/schema/index.ts	100%	100%	85.71%	100%
packages/experimental/src/smart-session/utils/ConstantUtils.ts	100%	100%	100%	100%
packages/experimental/src/smart-session/utils/CosignerService.ts	97.4%	86.66%	100%	97.4%	60-61
packages/experimental/src/smart-session/utils/ERC5792Types.ts	100%	100%	100%	100%
packages/experimental/src/smart-session/utils/TypeUtils.ts	100%	100%	100%	100%

Generated in workflow #6638 for commit e8766c5 by the Vitest Coverage Report Action

[lukaisailovic]

@KannuSingh Please add a short description packages/experimental/readme.md