chore: add changesets for this batch

Author: elkaix

.changeset/btw-readonly-tools.md

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+---
+"@pymodel/pythinker-code": minor
+---
+
+Side questions started with /btw can call the read-only tools Read, Grep and Glob.

.changeset/delete-session-from-picker.md

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+---
+"@pymodel/pythinker-code": minor
+---
+
+Delete a session from the session picker with Ctrl+X.

.changeset/glob-pagination.md

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+---
+"@pymodel/pythinker-code": minor
+---
+
+Glob accepts `offset` and `head_limit` to page through matching paths, and `head_limit: 0` returns every match.

.changeset/mcp-structured-results.md

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+---
+"@pymodel/pythinker-code": patch
+---
+
+Keep an MCP tool's structured result alongside its text and media output.

.changeset/subagent-model-disclosure.md

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+---
+"@pymodel/pythinker-code": patch
+---
+
+The subagent model list now names the model `primary` is bound to and states that pool entries do not inherit your thinking level.

.changeset/tasks-list-agent-model.md

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+---
+"@pymodel/pythinker-code": patch
+---
+
+Show each background agent's model in the /tasks list.

.changeset/tower-mission-context.md

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+---
+"@pymodel/pythinker-code": minor
+---
+
+Tower missions take a `context` field that carries your own words verbatim to the worker and the reviewer, and tower spawns honour the configured subagent timeout.

.changeset/warn-malformed-models-entry.md

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+---
+"@pymodel/pythinker-code": patch
+---
+
+Warn when a `[models]` entry has no `model` field, including when an unquoted dotted alias parsed as a nested table.