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feat: add send message preview contract

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zhaoyilun
2026-07-10 14:04:33 +08:00
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docs/go-mcp-runbook.md
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@@ -2,7 +2,7 @@
This runbook is for the first Go MCP phase of `isphere-ai-bridge`. It lets an operator build and verify the Windows helper and the Go MCP server without reading the source code.
Current scope: expose four WinHelper observation operations plus four business read tools through Go MCP: `isphere_receive_messages`, `isphere_search_contacts`, `isphere_search_groups`, and `isphere_receive_files` list mode. These business read tools use an empty default message source unless `ISPHERE_PACKET_LOG_FILE` points to an operator-local encrypted PacketReader log-line file or `ISPHERE_PACKET_LOG_DIR` points to an operator-local directory of encrypted PacketReader `.log`/`.txt` files. Contact/group display names can also be optionally enriched from an operator-local copied `MsgLib.db` through the bounded read-only `MsgLibReadSidecar`; receive messages can use copied DB rows only when the caller explicitly passes `source_preference="msglib_readonly"`.
Current scope: expose four WinHelper observation operations, four business read tools, and one preview-only send-message tool through Go MCP. Read tools are `isphere_receive_messages`, `isphere_search_contacts`, `isphere_search_groups`, and `isphere_receive_files` list mode. The send tool is `isphere_send_message` preview/dry-run only; production send is blocked. Read tools use an empty default message source unless `ISPHERE_PACKET_LOG_FILE` points to an operator-local encrypted PacketReader log-line file or `ISPHERE_PACKET_LOG_DIR` points to an operator-local directory of encrypted PacketReader `.log`/`.txt` files. Contact/group display names can also be optionally enriched from an operator-local copied `MsgLib.db` through the bounded read-only `MsgLibReadSidecar`; receive messages can use copied DB rows only when the caller explicitly passes `source_preference="msglib_readonly"`.
## 1. Prerequisites
@@ -43,7 +43,7 @@ Run the helper verification script:
powershell -NoProfile -ExecutionPolicy Bypass -File scripts\verify-win-helper.ps1
```
Expected output includes `"ok":true`, helper version `0.1.0`, a window scan count, and a UIA availability value.
Expected output includes `"ok":true`, helper version `0.4.0`, a window scan count, send preflight smoke fields, and a UIA availability value.
## 4. Build Go MCP
@@ -90,7 +90,7 @@ The verification confirms:
- C# helper can be built.
- Go MCP binary can be built.
- MCP initialize/list/call flow works through the SDK harness.
- Exactly eight tools are exposed: four WinHelper observation tools plus `isphere_receive_messages`, `isphere_search_contacts`, `isphere_search_groups`, and `isphere_receive_files`.
- Exactly nine tools are exposed: four WinHelper observation tools plus `isphere_receive_messages`, `isphere_search_contacts`, `isphere_search_groups`, `isphere_receive_files`, and preview-only `isphere_send_message`.
- `win_helper_version` returns `ISphereWinHelper`.
- `isphere_receive_messages` is callable and returns an empty `messages` array from the default empty source.
- `isphere_receive_messages` returns the contract-facing `ok`, `conversation`, `messages`, `next_cursor`, and `audit` envelope, while preserving legacy message aliases such as `id`, `text`, and `timestamp`.
@@ -99,9 +99,10 @@ The verification confirms:
- `isphere_search_contacts` is callable and returns JID-derived contact candidates from the same configured synthetic message fixture; exact ID/display/account matches rank before prefix/substring matches and case-insensitive duplicates are collapsed.
- `isphere_search_groups` is callable and returns JID-derived group candidates from the configured synthetic groupchat fixture; exact ID/display-name matches rank before prefix/substring matches and case-insensitive duplicates are collapsed.
- `isphere_receive_files` is callable in list mode and returns one file metadata candidate from the configured synthetic file-transfer fixture.
- `isphere_send_message` is callable in preview mode and returns `send_status="planned"` without raw content in the response; `execution_mode="production"` returns `send_status="blocked"` and `production_send_enabled=false`.
- Verification uses synthetic/local helper checks and does not load raw N12-pre evidence.
- The deterministic verification path clears MsgLib env variables, so it proves the default no-MsgLib behavior remains stable.
- File download/cache mapping and send business tools remain later-stage work.
- File download/cache mapping, send-file, and production send remain later-stage work.
## 6. Configure optional message source
@@ -237,7 +238,7 @@ E:\coding\codex\isphere-ai-bridge\isphere-mcp.exe
## 9. Allowed tools
These eight tools are currently allowed:
These nine tools are currently allowed:
| Tool | Source/op | Purpose |
| --- | --- | --- |
@@ -249,6 +250,7 @@ These eight tools are currently allowed:
| `isphere_search_contacts` | log-backed message JIDs plus optional MsgLib display enrichment | Search contact candidates extracted from sender/receiver bare JIDs in the configured message source, with deterministic exact-match-first ranking, case-insensitive de-duplication, and preserved `source`/`raw_ref`. |
| `isphere_search_groups` | log-backed groupchat JIDs plus optional MsgLib display enrichment | Search group candidates extracted from groupchat/conference/MUC bare JIDs in the configured message source, with deterministic exact-match-first ranking, case-insensitive de-duplication, and preserved `source`/`raw_ref`. |
| `isphere_receive_files` | log-backed file-transfer messages | List file metadata candidates extracted from file-transfer message bodies. Download/cache mapping is not implemented yet. |
| `isphere_send_message` | B-route preview/dry-run contract | Plan a text-message send with target/content hash/idempotency/audit metadata. Production send is blocked. |
Allowed parameters:
@@ -260,10 +262,11 @@ Allowed parameters:
- `isphere_search_contacts`: `query`, `cursor`, `source_preference`, `include_inactive`, `limit` only. `source_preference` currently supports empty/`auto`/`local_readonly`; `cursor` must be empty until pagination is implemented.
- `isphere_search_groups`: `query`, `cursor`, `source_preference`, `include_archived`, `limit` only. `source_preference` currently supports empty/`auto`/`local_readonly`; `cursor` must be empty until pagination is implemented.
- `isphere_receive_files`: `conversation_id`, `message_id`, `file_id`, `name_contains`, `mode`, `output_dir`, `cursor`, `source_preference`, `preview`, `limit` only. C22 supports `mode` empty or `list`; `source_preference` currently supports empty/`auto`/`local_readonly`; `cursor` and `output_dir` must be empty in current list-only mode; download is deferred.
- `isphere_send_message`: `target_type`, `target_id`, `content_text`, `content_sha256`, `idempotency_key`, `execution_mode` only. R6b supports `execution_mode` empty/`preview`/`dry_run` as planned preview. `execution_mode="production"` returns blocked status until sandbox-send evidence passes. The response and audit store `content_sha256` and `idempotency_key_sha256`, not raw message body or raw idempotency key.
## 10. Current tool surface and next-stage route
The current runbook verifies eight tools:
The current runbook verifies nine tools:
- `win_helper_version`
- `win_helper_self_check`
@@ -273,10 +276,11 @@ The current runbook verifies eight tools:
- `isphere_search_contacts`
- `isphere_search_groups`
- `isphere_receive_files`
- `isphere_send_message`
The current log-backed business read tools have parser/source/tool registration and an empty default server source. Raw N12-pre evidence remains under ignored `runs/` paths and is not committed. The current command entry point can read an operator-local encrypted PacketReader log-line file via `ISPHERE_PACKET_LOG_FILE` or a directory of `.log`/`.txt` files via `ISPHERE_PACKET_LOG_DIR`; this is still not a production ingestion claim because raw evidence remains local and uncommitted. `isphere_receive_messages` now exposes contract-facing fields for digital-employee consumption while preserving older aliases for compatibility, supports `conversation_id`, keyword `query`, and RFC3339 `since` filtering, and validates the remaining safe contract args without pretending unsupported connectors/pagination exist. Contact and group search also accept the safe local-readonly contract args, rank exact matches before prefix/substring matches, collapse case-insensitive duplicates across log-derived candidates and optional `MsgLibReadSidecar` display metadata, and preserve `source`/`raw_ref`; receive-message `sender_name` and `conversation.display_name` can use that same optional metadata when MsgLib env is configured. `isphere_receive_files` supports list mode with safe contract arg validation; download/cache mapping remains deferred.
The current log-backed business read tools have parser/source/tool registration and an empty default server source. Raw N12-pre evidence remains under ignored `runs/` paths and is not committed. The current command entry point can read an operator-local encrypted PacketReader log-line file via `ISPHERE_PACKET_LOG_FILE` or a directory of `.log`/`.txt` files via `ISPHERE_PACKET_LOG_DIR`; this is still not a production ingestion claim because raw evidence remains local and uncommitted. `isphere_receive_messages` now exposes contract-facing fields for digital-employee consumption while preserving older aliases for compatibility, supports `conversation_id`, keyword `query`, and RFC3339 `since` filtering, and validates the remaining safe contract args without pretending unsupported connectors/pagination exist. Contact and group search also accept the safe local-readonly contract args, rank exact matches before prefix/substring matches, collapse case-insensitive duplicates across log-derived candidates and optional `MsgLibReadSidecar` display metadata, and preserve `source`/`raw_ref`; receive-message `sender_name` and `conversation.display_name` can use that same optional metadata when MsgLib env is configured. `isphere_receive_files` supports list mode with safe contract arg validation; download/cache mapping remains deferred. `isphere_send_message` supports preview/dry-run metadata and redacted audit only; production send remains blocked until dynamic observation, idempotency protection, and one approved sandbox send prove success/ack behavior.
Core business tools for contacts, groups, messages, and files are defined in `docs/mcp-core-tools-contract.md`. Send capabilities enter the roadmap through that contract after source discovery, connector selection, preview metadata, execution metadata, and audit records are in place.
Core business tools for contacts, groups, messages, and files are defined in `docs/mcp-core-tools-contract.md`. Send-message preview metadata and audit records are now in place; production send still waits for the later online sandbox-send gate.
## 11. Real-login UIA capture procedure