feat(integrations): add support for ecu360

[hassan254-prog]

Describe the problem and your solution

• add support for ecu360, this is still ongoing.

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Add ECU360 integration and adjust two-step credential expiry parsing

Introduces ECU360 as a new two-step provider with associated documentation, catalog entry, and logo asset. Updates ConnectionService.parseRawCredentials so two-step credentials only fall back to DEFAULT_INFINITE_EXPIRES_AT_MS after strategy-specific parsing, allowing provider-defined defaults (such as ECU360's token_expires_in_ms) to apply when no expiration field is returned.

Key Changes

• Registered ECU360 in packages/providers/providers.yaml with two-step auth metadata (token endpoint, headers, credential prompts, docs links, and a 15-minute default expiration).
• Added provider documentation pages (docs/api-integrations/ecu360.mdx, docs/api-integrations/ecu360/connect.mdx) and wired the new guide into docs/docs.json along with a corresponding logo asset packages/webapp/public/images/template-logos/ecu360.svg.
• Modified packages/shared/lib/services/connection.service.ts two-step parsing logic to leave expiration undefined until after strategy evaluation, then fall back to template-specific or infinite defaults.

Affected Areas

• packages/providers/providers.yaml
• packages/shared/lib/services/connection.service.ts
• docs/api-integrations/ecu360.mdx
• docs/api-integrations/ecu360/connect.mdx
• docs/docs.json
• packages/webapp/public/images/template-logos/ecu360.svg

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📊 7 files reviewed • 1 high risk • 2 need attention

⚠️ Needs Attention:

• docs/api-integrations/ecu360.mdx — The documentation includes critical guidance on handling sensitive API credentials, making misconfiguration a high-security risk.

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