chore(master): release 1.2.0

[github-actions]

🤖 I have created a release beep boop

1.2.0 (2026-04-20)

Features

• added tests for the test mcp server, used by prototype runtime tests (861399d)
• allow config options to be specified using command line arguments (57182c5)
• current agent edition is now 4 (861399d)
• Let args be specified via command line args (#269) (57182c5)
• Print guidance on BindException (#274) (e3c7cdc)
• prompt adjustments for agent time awareness (861399d)
• prototype runtime (861399d)
• prototype runtime powered multi-agent tests (861399d)
• registry agents can now reference constants (861399d)
• share model proxy details to agents via envs (#276) (128665e)
• update gradle to 9.0.0, kotlin to 2.3.20 and jvm version to 24 (#264) (9486783)
• update to kotling 2.3.10 (861399d)
• updated kotlin-sdk (861399d)
• wait tools can now have a customized timeout (861399d)
• wait tools now require the current time, allowing the replaying of previous messages (861399d)

Bug Fixes

• all references to jdk on dockerfile now match 24, gradle version upgraded to version 9 (28afa08)
• GraphAgentTool contains a full MCP tool description (861399d)
• marketplace extension polymorphic type not inheriting parent class (1e8252c)
• RegistryAgentExtension for marketplace deserialization fix (861399d)
• stop implicitly ignoring ~/.coral/agents/* when agents are explicitly defined without including ~/.coral/agents/* (#267) (3c5a041)
• streamable mcp transport cancellations don't throw exceptions (861399d)
• update build files and dockerfile for java 24 and gradle 9.0.0 (c832be9)

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