chore: push all design docs, V2 plan specs, and current working state
Includes AirPlan design documents, AircOding-alpha1-plan, AirPlanV2, AirPlan-ParaV2, AirPlan-Para V1 reference docs, and all working code changes across packages. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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# WinDump / Tcpdump Notes
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Source: https://www.winpcap.org/windump/docs/manual.htm
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## AirNDB Summary
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- WinDump follows tcpdump-style packet capture usage on Windows.
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- `-D` lists available capture interfaces.
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- `-i <interface>` selects the capture interface. On Windows this is often the interface number from `-D`.
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- `-c <count>` stops after a bounded number of packets.
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- `-w <file>` writes raw packets to a pcap file.
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- `-r <file>` reads packets back from a pcap file.
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- `-n` avoids host name resolution; `-nn` also avoids service name resolution.
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- `-s <snaplen>` controls packet snapshot length. AirNDB uses `-s 0` for pcap captures so packets are not truncated.
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- Filter expressions use BPF primitives such as `host`, `net`, `port`, `src`, `dst`, `tcp`, `udp`, `icmp`, `arp`, `and`, `or`, and `not`.
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## Windows Notes
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- Prefer `WinDump.exe` or `windump` when `tcpdump` is unavailable on Windows.
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- WinDump normally requires a packet capture driver such as WinPcap/Npcap and may require an elevated terminal.
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- Interface names can be long adapter paths; the numeric index from `windump -D` is usually easier to use.
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- Store pcap artifacts in a project-local ignored directory such as `docs/network/airndb-captures/`.
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## AirNDB Auto Setup
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- On `/airndb enter`, AirNDB checks for `tcpdump`, `windump`, or `WinDump.exe`.
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- If no capture tool is available on Windows, AirNDB downloads the official `WinDump.exe` linked from the WinDump install page:
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```text
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https://www.winpcap.org/windump/install/bin/windump_3_9_5/WinDump.exe
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```
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- AirNDB verifies SHA1 before using the file:
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```text
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d59bc54721951dec855cbb4bbc000f9a71ea4d95
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```
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- AirNDB stores the binary at `AirPlan/state/airndb/tools/WinDump.exe` and writes `AirPlan/state/airndb/tool.env`:
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```text
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AIRNDB_TCPDUMP=<absolute path to WinDump.exe>
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```
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- AirNDB does not silently install WinPcap/Npcap drivers. If `WinDump.exe -D` fails after download, tell the user to install Npcap or WinPcap and retry from an elevated terminal.
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## Safe Defaults
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- Start with interface discovery before capture:
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```bash
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windump -D
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tcpdump -D
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```
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- Prefer short, bounded capture:
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```bash
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tcpdump -i <iface> -nn -s 0 -w <file>.pcap -c 200 '<bpf>'
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```
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- Read back a pcap summary:
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```bash
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tcpdump -nn -r <file>.pcap '<bpf>'
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```
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## BPF Examples
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```text
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host 192.0.2.10
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tcp and port 443
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udp and port 53
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src host 192.0.2.10 and dst port 443
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net 10.0.0.0/8 and not port 22
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icmp or icmp6
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```
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## Evidence Rules
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- Record exact command, interface, filter, packet count, capture window, pcap path, and summary path.
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- Keep pcap files private unless reviewed; they can contain tokens, cookies, payload, internal hostnames, and addresses.
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- If application payload is encrypted, use packet timing, DNS, TCP/TLS handshakes, retransmissions, resets, or connection failures as evidence instead of expecting plaintext.
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