feat: scaffold multi-module LLM-enabled project

[nbschultz97]

Summary

• migrate to Kotlin DSL and add :llm and :tak-plugin modules
• define LLM interface, router, and stub local/edge implementations
• scaffold TAK plugin service, prompts, and dev edge LLM stub

Testing

• gradle test assembleDebug (fails: SDK location not found)

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https://chatgpt.com/codex/tasks/task_e_68c3adf0b3888328a5ed3ed888a99d97

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

[P1] Add Gradle plugin portal to resolve build plugins

The new Kotlin DSL setup defines Android and Kotlin plugins in build.gradle.kts, but settings.gradle.kts only registers google() and mavenCentral() for plugin resolution. When Gradle evaluates the project it cannot find com.android.application/org.jetbrains.kotlin.* and the build aborts (gradle :app:help fails with “Plugin … was not found”). Add gradlePluginPortal() (or explicit plugin repositories hosting these IDs) under pluginManagement.repositories so the project can actually sync and build.

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